25830580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9859}}^1$

素因数の和:9999

約数の個数: 24

約数和(自身を含む): 54663840

約数和(自身を除く): 28833260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9859, 19718, 39436, 49295, 98590, 197180, 1291529, 2583058, 5166116, 6457645, 12915290, 25830580]

約数ペア:

[(1, 25830580), (2, 12915290), (4, 6457645), (5, 5166116), (10, 2583058), (20, 1291529), (131, 197180), (262, 98590), (524, 49295), (655, 39436), (1310, 19718), (2620, 9859)]