64658780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{52999}}^1$

素因数の和:53069

約数の個数: 24

約数和(自身を含む): 138012000

約数和(自身を除く): 73353220

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 52999, 105998, 211996, 264995, 529990, 1059980, 3232939, 6465878, 12931756, 16164695, 32329390, 64658780]

約数ペア:

[(1, 64658780), (2, 32329390), (4, 16164695), (5, 12931756), (10, 6465878), (20, 3232939), (61, 1059980), (122, 529990), (244, 264995), (305, 211996), (610, 105998), (1220, 52999)]