25427180

素因数分解:

$2^2\times 5^1\times {\mathrm{1271359}}^1$

素因数の和:1271368

約数の個数: 12

約数和(自身を含む): 53397120

約数和(自身を除く): 27969940

約数列:

[1, 2, 4, 5, 10, 20, 1271359, 2542718, 5085436, 6356795, 12713590, 25427180]

約数ペア:

[(1, 25427180), (2, 12713590), (4, 6356795), (5, 5085436), (10, 2542718), (20, 1271359)]