79207640

素因数分解:

$2^3\times 5^1\times {\mathrm{1980191}}^1$

素因数の和:1980202

約数の個数: 16

約数和(自身を含む): 178217280

約数和(自身を除く): 99009640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980191, 3960382, 7920764, 9900955, 15841528, 19801910, 39603820, 79207640]

約数ペア:

[(1, 79207640), (2, 39603820), (4, 19801910), (5, 15841528), (8, 9900955), (10, 7920764), (20, 3960382), (40, 1980191)]