25208980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3511}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 53101440

約数和(自身を除く): 27892460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3511, 3590, 7022, 7180, 14044, 17555, 35110, 70220, 1260449, 2520898, 5041796, 6302245, 12604490, 25208980]

約数ペア:

[(1, 25208980), (2, 12604490), (4, 6302245), (5, 5041796), (10, 2520898), (20, 1260449), (359, 70220), (718, 35110), (1436, 17555), (1795, 14044), (3511, 7180), (3590, 7022)]