258975260

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{9431}}^1$

素因数の和:10813

約数の個数: 24

約数和(自身を含む): 544301856

約数和(自身を除く): 285326596

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2746, 5492, 6865, 9431, 13730, 18862, 27460, 37724, 47155, 94310, 188620, 12948763, 25897526, 51795052, 64743815, 129487630, 258975260]

約数ペア:

[(1, 258975260), (2, 129487630), (4, 64743815), (5, 51795052), (10, 25897526), (20, 12948763), (1373, 188620), (2746, 94310), (5492, 47155), (6865, 37724), (9431, 27460), (13730, 18862)]