31059640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9829}}^1$

素因数の和:9919

約数の個数: 32

約数和(自身を含む): 70776000

約数和(自身を除く): 39716360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9829, 19658, 39316, 49145, 78632, 98290, 196580, 393160, 776491, 1552982, 3105964, 3882455, 6211928, 7764910, 15529820, 31059640]

約数ペア:

[(1, 31059640), (2, 15529820), (4, 7764910), (5, 6211928), (8, 3882455), (10, 3105964), (20, 1552982), (40, 776491), (79, 393160), (158, 196580), (316, 98290), (395, 78632), (632, 49145), (790, 39316), (1580, 19658), (3160, 9829)]