56438680

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4451}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 127416240

約数和(自身を除く): 70977560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 4451, 6340, 8902, 12680, 17804, 22255, 35608, 44510, 89020, 178040, 1410967, 2821934, 5643868, 7054835, 11287736, 14109670, 28219340, 56438680]

約数ペア:

[(1, 56438680), (2, 28219340), (4, 14109670), (5, 11287736), (8, 7054835), (10, 5643868), (20, 2821934), (40, 1410967), (317, 178040), (634, 89020), (1268, 44510), (1585, 35608), (2536, 22255), (3170, 17804), (4451, 12680), (6340, 8902)]