38679980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24481}}^1$

素因数の和:24569

約数の個数: 24

約数和(自身を含む): 82259520

約数和(自身を除く): 43579540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 24481, 48962, 97924, 122405, 244810, 489620, 1933999, 3867998, 7735996, 9669995, 19339990, 38679980]

約数ペア:

[(1, 38679980), (2, 19339990), (4, 9669995), (5, 7735996), (10, 3867998), (20, 1933999), (79, 489620), (158, 244810), (316, 122405), (395, 97924), (790, 48962), (1580, 24481)]