79039760

素因数分解:

$2^4\times 5^1\times {\mathrm{987997}}^1$

素因数の和:988010

約数の個数: 20

約数和(自身を含む): 183767628

約数和(自身を除く): 104727868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 987997, 1975994, 3951988, 4939985, 7903976, 9879970, 15807952, 19759940, 39519880, 79039760]

約数ペア:

[(1, 79039760), (2, 39519880), (4, 19759940), (5, 15807952), (8, 9879970), (10, 7903976), (16, 4939985), (20, 3951988), (40, 1975994), (80, 987997)]