79231640

素因数分解:

$2^3\times 5^1\times {\mathrm{1980791}}^1$

素因数の和:1980802

約数の個数: 16

約数和(自身を含む): 178271280

約数和(自身を除く): 99039640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980791, 3961582, 7923164, 9903955, 15846328, 19807910, 39615820, 79231640]

約数ペア:

[(1, 79231640), (2, 39615820), (4, 19807910), (5, 15846328), (8, 9903955), (10, 7923164), (20, 3961582), (40, 1980791)]