1778889881620

素因数分解:

$2^2\times 5^1\times {\mathrm{17041}}^1\times {\mathrm{5219441}}^1$

素因数の和:5236491

約数の個数: 24

約数和(自身を含む): 3735888683688

約数和(自身を除く): 1956998802068

約数列:

[1, 2, 4, 5, 10, 20, 17041, 34082, 68164, 85205, 170410, 340820, 5219441, 10438882, 20877764, 26097205, 52194410, 104388820, 88944494081, 177888988162, 355777976324, 444722470405, 889444940810, 1778889881620]

約数ペア:

[(1, 1778889881620), (2, 889444940810), (4, 444722470405), (5, 355777976324), (10, 177888988162), (20, 88944494081), (17041, 104388820), (34082, 52194410), (68164, 26097205), (85205, 20877764), (170410, 10438882), (340820, 5219441)]