25065980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40429}}^1$

素因数の和:40469

約数の個数: 24

約数和(自身を含む): 54337920

約数和(自身を除く): 29271940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40429, 80858, 161716, 202145, 404290, 808580, 1253299, 2506598, 5013196, 6266495, 12532990, 25065980]

約数ペア:

[(1, 25065980), (2, 12532990), (4, 6266495), (5, 5013196), (10, 2506598), (20, 1253299), (31, 808580), (62, 404290), (124, 202145), (155, 161716), (310, 80858), (620, 40429)]