39686980

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3067}}^1$

素因数の和:3723

約数の個数: 24

約数和(自身を含む): 83498688

約数和(自身を除く): 43811708

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3067, 3235, 6134, 6470, 12268, 12940, 15335, 30670, 61340, 1984349, 3968698, 7937396, 9921745, 19843490, 39686980]

約数ペア:

[(1, 39686980), (2, 19843490), (4, 9921745), (5, 7937396), (10, 3968698), (20, 1984349), (647, 61340), (1294, 30670), (2588, 15335), (3067, 12940), (3235, 12268), (6134, 6470)]