39883940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25243}}^1$

素因数の和:25331

約数の個数: 24

約数和(自身を含む): 84819840

約数和(自身を除く): 44935900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25243, 50486, 100972, 126215, 252430, 504860, 1994197, 3988394, 7976788, 9970985, 19941970, 39883940]

約数ペア:

[(1, 39883940), (2, 19941970), (4, 9970985), (5, 7976788), (10, 3988394), (20, 1994197), (79, 504860), (158, 252430), (316, 126215), (395, 100972), (790, 50486), (1580, 25243)]