17945643080

素因数分解:

$2^3\times 5^1\times {\mathrm{448641077}}^1$

素因数の和:448641088

約数の個数: 16

約数和(自身を含む): 40377697020

約数和(自身を除く): 22432053940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 448641077, 897282154, 1794564308, 2243205385, 3589128616, 4486410770, 8972821540, 17945643080]

約数ペア:

[(1, 17945643080), (2, 8972821540), (4, 4486410770), (5, 3589128616), (8, 2243205385), (10, 1794564308), (20, 897282154), (40, 448641077)]