31891240

素因数分解:

$2^3\times 5^1\times {\mathrm{797281}}^1$

素因数の和:797292

約数の個数: 16

約数和(自身を含む): 71755380

約数和(自身を除く): 39864140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797281, 1594562, 3189124, 3986405, 6378248, 7972810, 15945620, 31891240]

約数ペア:

[(1, 31891240), (2, 15945620), (4, 7972810), (5, 6378248), (8, 3986405), (10, 3189124), (20, 1594562), (40, 797281)]