67620400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2470

約数の個数: 60

約数和(自身を含む): 164815344

約数和(自身を除く): 97194944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2381, 2840, 3550, 4762, 5680, 7100, 9524, 11905, 14200, 19048, 23810, 28400, 38096, 47620, 59525, 95240, 119050, 169051, 190480, 238100, 338102, 476200, 676204, 845255, 952400, 1352408, 1690510, 2704816, 3381020, 4226275, 6762040, 8452550, 13524080, 16905100, 33810200, 67620400]

約数ペア:

[(1, 67620400), (2, 33810200), (4, 16905100), (5, 13524080), (8, 8452550), (10, 6762040), (16, 4226275), (20, 3381020), (25, 2704816), (40, 1690510), (50, 1352408), (71, 952400), (80, 845255), (100, 676204), (142, 476200), (200, 338102), (284, 238100), (355, 190480), (400, 169051), (568, 119050), (710, 95240), (1136, 59525), (1420, 47620), (1775, 38096), (2381, 28400), (2840, 23810), (3550, 19048), (4762, 14200), (5680, 11905), (7100, 9524)]