3826551440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{6803}}^1$

素因数の和:6984

約数の個数: 80

約数和(自身を含む): 9111916800

約数和(自身を除く): 5285365360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 158, 178, 316, 356, 395, 445, 632, 712, 790, 890, 1264, 1424, 1580, 1780, 3160, 3560, 6320, 6803, 7031, 7120, 13606, 14062, 27212, 28124, 34015, 35155, 54424, 56248, 68030, 70310, 108848, 112496, 136060, 140620, 272120, 281240, 537437, 544240, 562480, 605467, 1074874, 1210934, 2149748, 2421868, 2687185, 3027335, 4299496, 4843736, 5374370, 6054670, 8598992, 9687472, 10748740, 12109340, 21497480, 24218680, 42994960, 47831893, 48437360, 95663786, 191327572, 239159465, 382655144, 478318930, 765310288, 956637860, 1913275720, 3826551440]

約数ペア:

[(1, 3826551440), (2, 1913275720), (4, 956637860), (5, 765310288), (8, 478318930), (10, 382655144), (16, 239159465), (20, 191327572), (40, 95663786), (79, 48437360), (80, 47831893), (89, 42994960), (158, 24218680), (178, 21497480), (316, 12109340), (356, 10748740), (395, 9687472), (445, 8598992), (632, 6054670), (712, 5374370), (790, 4843736), (890, 4299496), (1264, 3027335), (1424, 2687185), (1580, 2421868), (1780, 2149748), (3160, 1210934), (3560, 1074874), (6320, 605467), (6803, 562480), (7031, 544240), (7120, 537437), (13606, 281240), (14062, 272120), (27212, 140620), (28124, 136060), (34015, 112496), (35155, 108848), (54424, 70310), (56248, 68030)]