79247920

素因数分解:

$2^4\times 5^1\times {\mathrm{990599}}^1$

素因数の和:990612

約数の個数: 20

約数和(自身を含む): 184251600

約数和(自身を除く): 105003680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 990599, 1981198, 3962396, 4952995, 7924792, 9905990, 15849584, 19811980, 39623960, 79247920]

約数ペア:

[(1, 79247920), (2, 39623960), (4, 19811980), (5, 15849584), (8, 9905990), (10, 7924792), (16, 4952995), (20, 3962396), (40, 1981198), (80, 990599)]