79589680

素因数分解:

$2^4\times 5^1\times {\mathrm{994871}}^1$

素因数の和:994884

約数の個数: 20

約数和(自身を含む): 185046192

約数和(自身を除く): 105456512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 994871, 1989742, 3979484, 4974355, 7958968, 9948710, 15917936, 19897420, 39794840, 79589680]

約数ペア:

[(1, 79589680), (2, 39794840), (4, 19897420), (5, 15917936), (8, 9948710), (10, 7958968), (16, 4974355), (20, 3979484), (40, 1989742), (80, 994871)]