20766506800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{433}}^1$

素因数の和:888

約数の個数: 240

約数和(自身を含む): 56335019328

約数和(自身を除く): 35568512528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 184, 200, 208, 230, 260, 299, 325, 368, 400, 401, 433, 460, 520, 575, 598, 650, 802, 866, 920, 1040, 1150, 1196, 1300, 1495, 1604, 1732, 1840, 2005, 2165, 2300, 2392, 2600, 2990, 3208, 3464, 4010, 4330, 4600, 4784, 5200, 5213, 5629, 5980, 6416, 6928, 7475, 8020, 8660, 9200, 9223, 9959, 10025, 10426, 10825, 11258, 11960, 14950, 16040, 17320, 18446, 19918, 20050, 20852, 21650, 22516, 23920, 26065, 28145, 29900, 32080, 34640, 36892, 39836, 40100, 41704, 43300, 45032, 46115, 49795, 52130, 56290, 59800, 73784, 79672, 80200, 83408, 86600, 90064, 92230, 99590, 104260, 112580, 119600, 119899, 129467, 130325, 140725, 147568, 159344, 160400, 173200, 173633, 184460, 199180, 208520, 225160, 230575, 239798, 248975, 258934, 260650, 281450, 347266, 368920, 398360, 417040, 450320, 461150, 479596, 497950, 517868, 521300, 562900, 599495, 647335, 694532, 737840, 796720, 868165, 922300, 959192, 995900, 1035736, 1042600, 1125800, 1198990, 1294670, 1389064, 1736330, 1844600, 1918384, 1991800, 2071472, 2085200, 2251600, 2257229, 2397980, 2589340, 2778128, 2997475, 3236675, 3472660, 3689200, 3983600, 3993559, 4340825, 4514458, 4795960, 5178680, 5994950, 6473350, 6945320, 7987118, 8681650, 9028916, 9591920, 10357360, 11286145, 11989900, 12946700, 13890640, 15974236, 17363300, 18057832, 19967795, 22572290, 23979800, 25893400, 31948472, 34726600, 36115664, 39935590, 45144580, 47959600, 51786800, 51916267, 56430725, 63896944, 69453200, 79871180, 90289160, 99838975, 103832534, 112861450, 159742360, 180578320, 199677950, 207665068, 225722900, 259581335, 319484720, 399355900, 415330136, 451445800, 519162670, 798711800, 830660272, 902891600, 1038325340, 1297906675, 1597423600, 2076650680, 2595813350, 4153301360, 5191626700, 10383253400, 20766506800]

約数ペア:

[(1, 20766506800), (2, 10383253400), (4, 5191626700), (5, 4153301360), (8, 2595813350), (10, 2076650680), (13, 1597423600), (16, 1297906675), (20, 1038325340), (23, 902891600), (25, 830660272), (26, 798711800), (40, 519162670), (46, 451445800), (50, 415330136), (52, 399355900), (65, 319484720), (80, 259581335), (92, 225722900), (100, 207665068), (104, 199677950), (115, 180578320), (130, 159742360), (184, 112861450), (200, 103832534), (208, 99838975), (230, 90289160), (260, 79871180), (299, 69453200), (325, 63896944), (368, 56430725), (400, 51916267), (401, 51786800), (433, 47959600), (460, 45144580), (520, 39935590), (575, 36115664), (598, 34726600), (650, 31948472), (802, 25893400), (866, 23979800), (920, 22572290), (1040, 19967795), (1150, 18057832), (1196, 17363300), (1300, 15974236), (1495, 13890640), (1604, 12946700), (1732, 11989900), (1840, 11286145), (2005, 10357360), (2165, 9591920), (2300, 9028916), (2392, 8681650), (2600, 7987118), (2990, 6945320), (3208, 6473350), (3464, 5994950), (4010, 5178680), (4330, 4795960), (4600, 4514458), (4784, 4340825), (5200, 3993559), (5213, 3983600), (5629, 3689200), (5980, 3472660), (6416, 3236675), (6928, 2997475), (7475, 2778128), (8020, 2589340), (8660, 2397980), (9200, 2257229), (9223, 2251600), (9959, 2085200), (10025, 2071472), (10426, 1991800), (10825, 1918384), (11258, 1844600), (11960, 1736330), (14950, 1389064), (16040, 1294670), (17320, 1198990), (18446, 1125800), (19918, 1042600), (20050, 1035736), (20852, 995900), (21650, 959192), (22516, 922300), (23920, 868165), (26065, 796720), (28145, 737840), (29900, 694532), (32080, 647335), (34640, 599495), (36892, 562900), (39836, 521300), (40100, 517868), (41704, 497950), (43300, 479596), (45032, 461150), (46115, 450320), (49795, 417040), (52130, 398360), (56290, 368920), (59800, 347266), (73784, 281450), (79672, 260650), (80200, 258934), (83408, 248975), (86600, 239798), (90064, 230575), (92230, 225160), (99590, 208520), (104260, 199180), (112580, 184460), (119600, 173633), (119899, 173200), (129467, 160400), (130325, 159344), (140725, 147568)]