131173820

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{5407}}^1$

素因数の和:6629

約数の個数: 24

約数和(自身を含む): 275743104

約数和(自身を除く): 144569284

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 4852, 5407, 6065, 10814, 12130, 21628, 24260, 27035, 54070, 108140, 6558691, 13117382, 26234764, 32793455, 65586910, 131173820]

約数ペア:

[(1, 131173820), (2, 65586910), (4, 32793455), (5, 26234764), (10, 13117382), (20, 6558691), (1213, 108140), (2426, 54070), (4852, 27035), (5407, 24260), (6065, 21628), (10814, 12130)]