79927240

素因数分解:

$2^3\times 5^1\times {\mathrm{1998181}}^1$

素因数の和:1998192

約数の個数: 16

約数和(自身を含む): 179836380

約数和(自身を除く): 99909140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1998181, 3996362, 7992724, 9990905, 15985448, 19981810, 39963620, 79927240]

約数ペア:

[(1, 79927240), (2, 39963620), (4, 19981810), (5, 15985448), (8, 9990905), (10, 7992724), (20, 3996362), (40, 1998181)]