79121080

素因数分解:

$2^3\times 5^1\times {\mathrm{1978027}}^1$

素因数の和:1978038

約数の個数: 16

約数和(自身を含む): 178022520

約数和(自身を除く): 98901440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1978027, 3956054, 7912108, 9890135, 15824216, 19780270, 39560540, 79121080]

約数ペア:

[(1, 79121080), (2, 39560540), (4, 19780270), (5, 15824216), (8, 9890135), (10, 7912108), (20, 3956054), (40, 1978027)]