20107840000

素因数分解:

$2^9\times 5^4\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2096

約数の個数: 200

約数和(自身を含む): 51849502848

約数和(自身を除く): 31741662848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 625, 640, 775, 800, 992, 1000, 1240, 1250, 1280, 1550, 1600, 1984, 2000, 2027, 2480, 2500, 2560, 3100, 3200, 3875, 3968, 4000, 4054, 4960, 5000, 6200, 6400, 7750, 7936, 8000, 8108, 9920, 10000, 10135, 12400, 12800, 15500, 15872, 16000, 16216, 19375, 19840, 20000, 20270, 24800, 31000, 32000, 32432, 38750, 39680, 40000, 40540, 49600, 50675, 62000, 62837, 64000, 64864, 77500, 79360, 80000, 81080, 99200, 101350, 124000, 125674, 129728, 155000, 160000, 162160, 198400, 202700, 248000, 251348, 253375, 259456, 310000, 314185, 320000, 324320, 396800, 405400, 496000, 502696, 506750, 518912, 620000, 628370, 648640, 810800, 992000, 1005392, 1013500, 1037824, 1240000, 1256740, 1266875, 1297280, 1570925, 1621600, 1984000, 2010784, 2027000, 2480000, 2513480, 2533750, 2594560, 3141850, 3243200, 4021568, 4054000, 4960000, 5026960, 5067500, 5189120, 6283700, 6486400, 7854625, 8043136, 8108000, 9920000, 10053920, 10135000, 12567400, 12972800, 15709250, 16086272, 16216000, 20107840, 20270000, 25134800, 25945600, 31418500, 32172544, 32432000, 39273125, 40215680, 40540000, 50269600, 62837000, 64864000, 78546250, 80431360, 81080000, 100539200, 125674000, 129728000, 157092500, 160862720, 162160000, 201078400, 251348000, 314185000, 324320000, 402156800, 502696000, 628370000, 648640000, 804313600, 1005392000, 1256740000, 2010784000, 2513480000, 4021568000, 5026960000, 10053920000, 20107840000]

約数ペア:

[(1, 20107840000), (2, 10053920000), (4, 5026960000), (5, 4021568000), (8, 2513480000), (10, 2010784000), (16, 1256740000), (20, 1005392000), (25, 804313600), (31, 648640000), (32, 628370000), (40, 502696000), (50, 402156800), (62, 324320000), (64, 314185000), (80, 251348000), (100, 201078400), (124, 162160000), (125, 160862720), (128, 157092500), (155, 129728000), (160, 125674000), (200, 100539200), (248, 81080000), (250, 80431360), (256, 78546250), (310, 64864000), (320, 62837000), (400, 50269600), (496, 40540000), (500, 40215680), (512, 39273125), (620, 32432000), (625, 32172544), (640, 31418500), (775, 25945600), (800, 25134800), (992, 20270000), (1000, 20107840), (1240, 16216000), (1250, 16086272), (1280, 15709250), (1550, 12972800), (1600, 12567400), (1984, 10135000), (2000, 10053920), (2027, 9920000), (2480, 8108000), (2500, 8043136), (2560, 7854625), (3100, 6486400), (3200, 6283700), (3875, 5189120), (3968, 5067500), (4000, 5026960), (4054, 4960000), (4960, 4054000), (5000, 4021568), (6200, 3243200), (6400, 3141850), (7750, 2594560), (7936, 2533750), (8000, 2513480), (8108, 2480000), (9920, 2027000), (10000, 2010784), (10135, 1984000), (12400, 1621600), (12800, 1570925), (15500, 1297280), (15872, 1266875), (16000, 1256740), (16216, 1240000), (19375, 1037824), (19840, 1013500), (20000, 1005392), (20270, 992000), (24800, 810800), (31000, 648640), (32000, 628370), (32432, 620000), (38750, 518912), (39680, 506750), (40000, 502696), (40540, 496000), (49600, 405400), (50675, 396800), (62000, 324320), (62837, 320000), (64000, 314185), (64864, 310000), (77500, 259456), (79360, 253375), (80000, 251348), (81080, 248000), (99200, 202700), (101350, 198400), (124000, 162160), (125674, 160000), (129728, 155000)]