79221160

素因数分解:

$2^3\times 5^1\times {\mathrm{1980529}}^1$

素因数の和:1980540

約数の個数: 16

約数和(自身を含む): 178247700

約数和(自身を除く): 99026540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980529, 3961058, 7922116, 9902645, 15844232, 19805290, 39610580, 79221160]

約数ペア:

[(1, 79221160), (2, 39610580), (4, 19805290), (5, 15844232), (8, 9902645), (10, 7922116), (20, 3961058), (40, 1980529)]