51146180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32371}}^1$

素因数の和:32459

約数の個数: 24

約数和(自身を含む): 108769920

約数和(自身を除く): 57623740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 32371, 64742, 129484, 161855, 323710, 647420, 2557309, 5114618, 10229236, 12786545, 25573090, 51146180]

約数ペア:

[(1, 51146180), (2, 25573090), (4, 12786545), (5, 10229236), (10, 5114618), (20, 2557309), (79, 647420), (158, 323710), (316, 161855), (395, 129484), (790, 64742), (1580, 32371)]