25721180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5381}}^1$

素因数の和:5629

約数の個数: 24

約数和(自身を含む): 54250560

約数和(自身を除く): 28529380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5381, 10762, 21524, 26905, 53810, 107620, 1286059, 2572118, 5144236, 6430295, 12860590, 25721180]

約数ペア:

[(1, 25721180), (2, 12860590), (4, 6430295), (5, 5144236), (10, 2572118), (20, 1286059), (239, 107620), (478, 53810), (956, 26905), (1195, 21524), (2390, 10762), (4780, 5381)]