39885490

素因数分解:

$2^1\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{2851}}^1$

素因数の和:4257

約数の個数: 16

約数和(自身を含む): 71870400

約数和(自身を除く): 31984910

約数列:

[1, 2, 5, 10, 1399, 2798, 2851, 5702, 6995, 13990, 14255, 28510, 3988549, 7977098, 19942745, 39885490]

約数ペア:

[(1, 39885490), (2, 19942745), (5, 7977098), (10, 3988549), (1399, 28510), (2798, 14255), (2851, 13990), (5702, 6995)]