64843420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111799}}^1$

素因数の和:111837

約数の個数: 24

約数和(自身を含む): 140868000

約数和(自身を除く): 76024580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111799, 223598, 447196, 558995, 1117990, 2235980, 3242171, 6484342, 12968684, 16210855, 32421710, 64843420]

約数ペア:

[(1, 64843420), (2, 32421710), (4, 16210855), (5, 12968684), (10, 6484342), (20, 3242171), (29, 2235980), (58, 1117990), (116, 558995), (145, 447196), (290, 223598), (580, 111799)]