85188520

素因数分解:

$2^3\times 5^1\times {\mathrm{2129713}}^1$

素因数の和:2129724

約数の個数: 16

約数和(自身を含む): 191674260

約数和(自身を除く): 106485740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2129713, 4259426, 8518852, 10648565, 17037704, 21297130, 42594260, 85188520]

約数ペア:

[(1, 85188520), (2, 42594260), (4, 21297130), (5, 17037704), (8, 10648565), (10, 8518852), (20, 4259426), (40, 2129713)]