64212625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 84225024

約数和(自身を除く): 20012399

約数列:

[1, 5, 25, 31, 73, 125, 155, 227, 365, 775, 1135, 1825, 2263, 3875, 5675, 7037, 9125, 11315, 16571, 28375, 35185, 56575, 82855, 175925, 282875, 414275, 513701, 879625, 2071375, 2568505, 12842525, 64212625]

約数ペア:

[(1, 64212625), (5, 12842525), (25, 2568505), (31, 2071375), (73, 879625), (125, 513701), (155, 414275), (227, 282875), (365, 175925), (775, 82855), (1135, 56575), (1825, 35185), (2263, 28375), (3875, 16571), (5675, 11315), (7037, 9125)]