78894160

素因数分解:

$2^4\times 5^1\times {\mathrm{986177}}^1$

素因数の和:986190

約数の個数: 20

約数和(自身を含む): 183429108

約数和(自身を除く): 104534948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986177, 1972354, 3944708, 4930885, 7889416, 9861770, 15778832, 19723540, 39447080, 78894160]

約数ペア:

[(1, 78894160), (2, 39447080), (4, 19723540), (5, 15778832), (8, 9861770), (10, 7889416), (16, 4930885), (20, 3944708), (40, 1972354), (80, 986177)]