64739960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14323}}^1$

素因数の和:14447

約数の個数: 32

約数和(自身を含む): 146964240

約数和(自身を除く): 82224280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14323, 28646, 57292, 71615, 114584, 143230, 286460, 572920, 1618499, 3236998, 6473996, 8092495, 12947992, 16184990, 32369980, 64739960]

約数ペア:

[(1, 64739960), (2, 32369980), (4, 16184990), (5, 12947992), (8, 8092495), (10, 6473996), (20, 3236998), (40, 1618499), (113, 572920), (226, 286460), (452, 143230), (565, 114584), (904, 71615), (1130, 57292), (2260, 28646), (4520, 14323)]