25128620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{114221}}^1$

素因数の和:114241

約数の個数: 24

約数和(自身を含む): 57567888

約数和(自身を除く): 32439268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 114221, 228442, 456884, 571105, 1142210, 1256431, 2284420, 2512862, 5025724, 6282155, 12564310, 25128620]

約数ペア:

[(1, 25128620), (2, 12564310), (4, 6282155), (5, 5025724), (10, 2512862), (11, 2284420), (20, 1256431), (22, 1142210), (44, 571105), (55, 456884), (110, 228442), (220, 114221)]