79220920

素因数分解:

$2^3\times 5^1\times {\mathrm{1980523}}^1$

素因数の和:1980534

約数の個数: 16

約数和(自身を含む): 178247160

約数和(自身を除く): 99026240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980523, 3961046, 7922092, 9902615, 15844184, 19805230, 39610460, 79220920]

約数ペア:

[(1, 79220920), (2, 39610460), (4, 19805230), (5, 15844184), (8, 9902615), (10, 7922092), (20, 3961046), (40, 1980523)]