79894480

素因数分解:

$2^4\times 5^1\times {\mathrm{998681}}^1$

素因数の和:998694

約数の個数: 20

約数和(自身を含む): 185754852

約数和(自身を除く): 105860372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 998681, 1997362, 3994724, 4993405, 7989448, 9986810, 15978896, 19973620, 39947240, 79894480]

約数ペア:

[(1, 79894480), (2, 39947240), (4, 19973620), (5, 15978896), (8, 9986810), (10, 7989448), (16, 4993405), (20, 3994724), (40, 1997362), (80, 998681)]