25218680

素因数分解:

$2^3\times 5^1\times {\mathrm{630467}}^1$

素因数の和:630478

約数の個数: 16

約数和(自身を含む): 56742120

約数和(自身を除く): 31523440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 630467, 1260934, 2521868, 3152335, 5043736, 6304670, 12609340, 25218680]

約数ペア:

[(1, 25218680), (2, 12609340), (4, 6304670), (5, 5043736), (8, 3152335), (10, 2521868), (20, 1260934), (40, 630467)]