129815260

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{5351}}^1$

素因数の和:6573

約数の個数: 24

約数和(自身を含む): 272887776

約数和(自身を除く): 143072516

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 4852, 5351, 6065, 10702, 12130, 21404, 24260, 26755, 53510, 107020, 6490763, 12981526, 25963052, 32453815, 64907630, 129815260]

約数ペア:

[(1, 129815260), (2, 64907630), (4, 32453815), (5, 25963052), (10, 12981526), (20, 6490763), (1213, 107020), (2426, 53510), (4852, 26755), (5351, 24260), (6065, 21404), (10702, 12130)]