39636680

素因数分解:

$2^3\times 5^1\times {\mathrm{990917}}^1$

素因数の和:990928

約数の個数: 16

約数和(自身を含む): 89182620

約数和(自身を除く): 49545940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990917, 1981834, 3963668, 4954585, 7927336, 9909170, 19818340, 39636680]

約数ペア:

[(1, 39636680), (2, 19818340), (4, 9909170), (5, 7927336), (8, 4954585), (10, 3963668), (20, 1981834), (40, 990917)]