39918820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12713}}^1$

素因数の和:12879

約数の個数: 24

約数和(自身を含む): 84370104

約数和(自身を除く): 44451284

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 12713, 25426, 50852, 63565, 127130, 254260, 1995941, 3991882, 7983764, 9979705, 19959410, 39918820]

約数ペア:

[(1, 39918820), (2, 19959410), (4, 9979705), (5, 7983764), (10, 3991882), (20, 1995941), (157, 254260), (314, 127130), (628, 63565), (785, 50852), (1570, 25426), (3140, 12713)]