79122320

素因数分解:

$2^4\times 5^1\times {\mathrm{989029}}^1$

素因数の和:989042

約数の個数: 20

約数和(自身を含む): 183959580

約数和(自身を除く): 104837260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 989029, 1978058, 3956116, 4945145, 7912232, 9890290, 15824464, 19780580, 39561160, 79122320]

約数ペア:

[(1, 79122320), (2, 39561160), (4, 19780580), (5, 15824464), (8, 9890290), (10, 7912232), (16, 4945145), (20, 3956116), (40, 1978058), (80, 989029)]