25491740

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5333}}^1$

素因数の和:5581

約数の個数: 24

約数和(自身を含む): 53766720

約数和(自身を除く): 28274980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 5333, 10666, 21332, 26665, 53330, 106660, 1274587, 2549174, 5098348, 6372935, 12745870, 25491740]

約数ペア:

[(1, 25491740), (2, 12745870), (4, 6372935), (5, 5098348), (10, 2549174), (20, 1274587), (239, 106660), (478, 53330), (956, 26665), (1195, 21332), (2390, 10666), (4780, 5333)]