20216560000

素因数分解:

$2^7\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2831

約数の個数: 320

約数和(自身を含む): 61964290080

約数和(自身を除く): 41747730080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 128, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 500, 520, 560, 625, 640, 650, 700, 728, 800, 832, 875, 896, 910, 1000, 1040, 1120, 1250, 1300, 1400, 1456, 1600, 1625, 1664, 1750, 1820, 2000, 2080, 2240, 2275, 2500, 2600, 2777, 2800, 2912, 3200, 3250, 3500, 3640, 4000, 4160, 4375, 4480, 4550, 5000, 5200, 5554, 5600, 5824, 6500, 7000, 7280, 8000, 8125, 8320, 8750, 9100, 10000, 10400, 11108, 11200, 11375, 11648, 13000, 13885, 14000, 14560, 16000, 16250, 17500, 18200, 19439, 20000, 20800, 22216, 22400, 22750, 26000, 27770, 28000, 29120, 32500, 35000, 36101, 36400, 38878, 40000, 41600, 44432, 45500, 52000, 55540, 56000, 56875, 58240, 65000, 69425, 70000, 72202, 72800, 77756, 80000, 88864, 91000, 97195, 104000, 111080, 112000, 113750, 130000, 138850, 140000, 144404, 145600, 155512, 177728, 180505, 182000, 194390, 208000, 222160, 227500, 252707, 260000, 277700, 280000, 288808, 291200, 311024, 347125, 355456, 361010, 364000, 388780, 444320, 455000, 485975, 505414, 520000, 555400, 560000, 577616, 622048, 694250, 722020, 728000, 777560, 888640, 902525, 910000, 971950, 1010828, 1040000, 1110800, 1155232, 1244096, 1263535, 1388500, 1444040, 1456000, 1555120, 1735625, 1777280, 1805050, 1820000, 1943900, 2021656, 2221600, 2310464, 2429875, 2488192, 2527070, 2777000, 2888080, 3110240, 3471250, 3610100, 3640000, 3887800, 4043312, 4443200, 4512625, 4620928, 4859750, 5054140, 5554000, 5776160, 6220480, 6317675, 6942500, 7220200, 7280000, 7775600, 8086624, 8886400, 9025250, 9719500, 10108280, 11108000, 11552320, 12149375, 12440960, 12635350, 13885000, 14440400, 15551200, 16173248, 18050500, 19439000, 20216560, 22216000, 22563125, 23104640, 24298750, 25270700, 27770000, 28880800, 31102400, 31588375, 32346496, 36101000, 38878000, 40433120, 44432000, 45126250, 48597500, 50541400, 55540000, 57761600, 62204800, 63176750, 72202000, 77756000, 80866240, 90252500, 97195000, 101082800, 111080000, 115523200, 126353500, 144404000, 155512000, 157941875, 161732480, 180505000, 194390000, 202165600, 222160000, 252707000, 288808000, 311024000, 315883750, 361010000, 388780000, 404331200, 505414000, 577616000, 631767500, 722020000, 777560000, 808662400, 1010828000, 1263535000, 1444040000, 1555120000, 2021656000, 2527070000, 2888080000, 4043312000, 5054140000, 10108280000, 20216560000]

約数ペア:

[(1, 20216560000), (2, 10108280000), (4, 5054140000), (5, 4043312000), (7, 2888080000), (8, 2527070000), (10, 2021656000), (13, 1555120000), (14, 1444040000), (16, 1263535000), (20, 1010828000), (25, 808662400), (26, 777560000), (28, 722020000), (32, 631767500), (35, 577616000), (40, 505414000), (50, 404331200), (52, 388780000), (56, 361010000), (64, 315883750), (65, 311024000), (70, 288808000), (80, 252707000), (91, 222160000), (100, 202165600), (104, 194390000), (112, 180505000), (125, 161732480), (128, 157941875), (130, 155512000), (140, 144404000), (160, 126353500), (175, 115523200), (182, 111080000), (200, 101082800), (208, 97195000), (224, 90252500), (250, 80866240), (260, 77756000), (280, 72202000), (320, 63176750), (325, 62204800), (350, 57761600), (364, 55540000), (400, 50541400), (416, 48597500), (448, 45126250), (455, 44432000), (500, 40433120), (520, 38878000), (560, 36101000), (625, 32346496), (640, 31588375), (650, 31102400), (700, 28880800), (728, 27770000), (800, 25270700), (832, 24298750), (875, 23104640), (896, 22563125), (910, 22216000), (1000, 20216560), (1040, 19439000), (1120, 18050500), (1250, 16173248), (1300, 15551200), (1400, 14440400), (1456, 13885000), (1600, 12635350), (1625, 12440960), (1664, 12149375), (1750, 11552320), (1820, 11108000), (2000, 10108280), (2080, 9719500), (2240, 9025250), (2275, 8886400), (2500, 8086624), (2600, 7775600), (2777, 7280000), (2800, 7220200), (2912, 6942500), (3200, 6317675), (3250, 6220480), (3500, 5776160), (3640, 5554000), (4000, 5054140), (4160, 4859750), (4375, 4620928), (4480, 4512625), (4550, 4443200), (5000, 4043312), (5200, 3887800), (5554, 3640000), (5600, 3610100), (5824, 3471250), (6500, 3110240), (7000, 2888080), (7280, 2777000), (8000, 2527070), (8125, 2488192), (8320, 2429875), (8750, 2310464), (9100, 2221600), (10000, 2021656), (10400, 1943900), (11108, 1820000), (11200, 1805050), (11375, 1777280), (11648, 1735625), (13000, 1555120), (13885, 1456000), (14000, 1444040), (14560, 1388500), (16000, 1263535), (16250, 1244096), (17500, 1155232), (18200, 1110800), (19439, 1040000), (20000, 1010828), (20800, 971950), (22216, 910000), (22400, 902525), (22750, 888640), (26000, 777560), (27770, 728000), (28000, 722020), (29120, 694250), (32500, 622048), (35000, 577616), (36101, 560000), (36400, 555400), (38878, 520000), (40000, 505414), (41600, 485975), (44432, 455000), (45500, 444320), (52000, 388780), (55540, 364000), (56000, 361010), (56875, 355456), (58240, 347125), (65000, 311024), (69425, 291200), (70000, 288808), (72202, 280000), (72800, 277700), (77756, 260000), (80000, 252707), (88864, 227500), (91000, 222160), (97195, 208000), (104000, 194390), (111080, 182000), (112000, 180505), (113750, 177728), (130000, 155512), (138850, 145600), (140000, 144404)]