31900640

素因数分解:

$2^5\times 5^1\times {\mathrm{199379}}^1$

素因数の和:199394

約数の個数: 24

約数和(自身を含む): 75365640

約数和(自身を除く): 43465000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199379, 398758, 797516, 996895, 1595032, 1993790, 3190064, 3987580, 6380128, 7975160, 15950320, 31900640]

約数ペア:

[(1, 31900640), (2, 15950320), (4, 7975160), (5, 6380128), (8, 3987580), (10, 3190064), (16, 1993790), (20, 1595032), (32, 996895), (40, 797516), (80, 398758), (160, 199379)]