28702640

素因数分解:

$2^4\times 5^1\times {\mathrm{358783}}^1$

素因数の和:358796

約数の個数: 20

約数和(自身を含む): 66733824

約数和(自身を除く): 38031184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358783, 717566, 1435132, 1793915, 2870264, 3587830, 5740528, 7175660, 14351320, 28702640]

約数ペア:

[(1, 28702640), (2, 14351320), (4, 7175660), (5, 5740528), (8, 3587830), (10, 2870264), (16, 1793915), (20, 1435132), (40, 717566), (80, 358783)]