79227920

素因数分解:

$2^4\times 5^1\times {\mathrm{990349}}^1$

素因数の和:990362

約数の個数: 20

約数和(自身を含む): 184205100

約数和(自身を除く): 104977180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990349, 1980698, 3961396, 4951745, 7922792, 9903490, 15845584, 19806980, 39613960, 79227920]

約数ペア:

[(1, 79227920), (2, 39613960), (4, 19806980), (5, 15845584), (8, 9903490), (10, 7922792), (16, 4951745), (20, 3961396), (40, 1980698), (80, 990349)]