85288520

素因数分解:

$2^3\times 5^1\times {\mathrm{2132213}}^1$

素因数の和:2132224

約数の個数: 16

約数和(自身を含む): 191899260

約数和(自身を除く): 106610740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2132213, 4264426, 8528852, 10661065, 17057704, 21322130, 42644260, 85288520]

約数ペア:

[(1, 85288520), (2, 42644260), (4, 21322130), (5, 17057704), (8, 10661065), (10, 8528852), (20, 4264426), (40, 2132213)]