129204580

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{5051}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 271595520

約数和(自身を除く): 142390940

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5051, 5116, 6395, 10102, 12790, 20204, 25255, 25580, 50510, 101020, 6460229, 12920458, 25840916, 32301145, 64602290, 129204580]

約数ペア:

[(1, 129204580), (2, 64602290), (4, 32301145), (5, 25840916), (10, 12920458), (20, 6460229), (1279, 101020), (2558, 50510), (5051, 25580), (5116, 25255), (6395, 20204), (10102, 12790)]