39917590

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3121}}^1$

素因数の和:4407

約数の個数: 16

約数和(自身を含む): 71930880

約数和(自身を除く): 32013290

約数列:

[1, 2, 5, 10, 1279, 2558, 3121, 6242, 6395, 12790, 15605, 31210, 3991759, 7983518, 19958795, 39917590]

約数ペア:

[(1, 39917590), (2, 19958795), (5, 7983518), (10, 3991759), (1279, 31210), (2558, 15605), (3121, 12790), (6242, 6395)]