80974210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{102499}}^1$

素因数の和:102585

約数の個数: 16

約数和(自身を含む): 147600000

約数和(自身を除く): 66625790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 102499, 204998, 512495, 1024990, 8097421, 16194842, 40487105, 80974210]

約数ペア:

[(1, 80974210), (2, 40487105), (5, 16194842), (10, 8097421), (79, 1024990), (158, 512495), (395, 204998), (790, 102499)]