28445980

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1531}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 59839920

約数和(自身を除く): 31393940

約数列:

[1, 2, 4, 5, 10, 20, 929, 1531, 1858, 3062, 3716, 4645, 6124, 7655, 9290, 15310, 18580, 30620, 1422299, 2844598, 5689196, 7111495, 14222990, 28445980]

約数ペア:

[(1, 28445980), (2, 14222990), (4, 7111495), (5, 5689196), (10, 2844598), (20, 1422299), (929, 30620), (1531, 18580), (1858, 15310), (3062, 9290), (3716, 7655), (4645, 6124)]