79379920

素因数分解:

$2^4\times 5^1\times {\mathrm{992249}}^1$

素因数の和:992262

約数の個数: 20

約数和(自身を含む): 184558500

約数和(自身を除く): 105178580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992249, 1984498, 3968996, 4961245, 7937992, 9922490, 15875984, 19844980, 39689960, 79379920]

約数ペア:

[(1, 79379920), (2, 39689960), (4, 19844980), (5, 15875984), (8, 9922490), (10, 7937992), (16, 4961245), (20, 3968996), (40, 1984498), (80, 992249)]