1122220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5121

約数の個数: 24

約数和(自身を含む): 2571408

約数和(自身を除く): 1449188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5101, 10202, 20404, 25505, 51010, 56111, 102020, 112222, 224444, 280555, 561110, 1122220]

約数ペア:

[(1, 1122220), (2, 561110), (4, 280555), (5, 224444), (10, 112222), (11, 102020), (20, 56111), (22, 51010), (44, 25505), (55, 20404), (110, 10202), (220, 5101)]