78751625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20369

約数の個数: 16

約数和(自身を含む): 101457408

約数和(自身を除く): 22705783

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 20323, 101615, 508075, 630013, 2540375, 3150065, 15750325, 78751625]

約数ペア:

[(1, 78751625), (5, 15750325), (25, 3150065), (31, 2540375), (125, 630013), (155, 508075), (775, 101615), (3875, 20323)]