64834040

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5981}}^1$

素因数の和:6263

約数の個数: 32

約数和(自身を含む): 146439360

約数和(自身を除く): 81605320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 5981, 10840, 11962, 23924, 29905, 47848, 59810, 119620, 239240, 1620851, 3241702, 6483404, 8104255, 12966808, 16208510, 32417020, 64834040]

約数ペア:

[(1, 64834040), (2, 32417020), (4, 16208510), (5, 12966808), (8, 8104255), (10, 6483404), (20, 3241702), (40, 1620851), (271, 239240), (542, 119620), (1084, 59810), (1355, 47848), (2168, 29905), (2710, 23924), (5420, 11962), (5981, 10840)]