64117700

素因数分解:

$2^2\times 5^2\times {\mathrm{647}}^1\times {\mathrm{991}}^1$

素因数の和:1652

約数の個数: 36

約数和(自身を含む): 139491072

約数和(自身を除く): 75373372

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 647, 991, 1294, 1982, 2588, 3235, 3964, 4955, 6470, 9910, 12940, 16175, 19820, 24775, 32350, 49550, 64700, 99100, 641177, 1282354, 2564708, 3205885, 6411770, 12823540, 16029425, 32058850, 64117700]

約数ペア:

[(1, 64117700), (2, 32058850), (4, 16029425), (5, 12823540), (10, 6411770), (20, 3205885), (25, 2564708), (50, 1282354), (100, 641177), (647, 99100), (991, 64700), (1294, 49550), (1982, 32350), (2588, 24775), (3235, 19820), (3964, 16175), (4955, 12940), (6470, 9910)]