79837640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12713}}^1$

素因数の和:12881

約数の個数: 32

約数和(自身を含む): 180793080

約数和(自身を除く): 100955440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 12713, 25426, 50852, 63565, 101704, 127130, 254260, 508520, 1995941, 3991882, 7983764, 9979705, 15967528, 19959410, 39918820, 79837640]

約数ペア:

[(1, 79837640), (2, 39918820), (4, 19959410), (5, 15967528), (8, 9979705), (10, 7983764), (20, 3991882), (40, 1995941), (157, 508520), (314, 254260), (628, 127130), (785, 101704), (1256, 63565), (1570, 50852), (3140, 25426), (6280, 12713)]