25221160

素因数分解:

$2^3\times 5^1\times {\mathrm{630529}}^1$

素因数の和:630540

約数の個数: 16

約数和(自身を含む): 56747700

約数和(自身を除く): 31526540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 630529, 1261058, 2522116, 3152645, 5044232, 6305290, 12610580, 25221160]

約数ペア:

[(1, 25221160), (2, 12610580), (4, 6305290), (5, 5044232), (8, 3152645), (10, 2522116), (20, 1261058), (40, 630529)]