2240180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 4755240

約数和(自身を除く): 2515060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1109, 2020, 2218, 4436, 5545, 11090, 22180, 112009, 224018, 448036, 560045, 1120090, 2240180]

約数ペア:

[(1, 2240180), (2, 1120090), (4, 560045), (5, 448036), (10, 224018), (20, 112009), (101, 22180), (202, 11090), (404, 5545), (505, 4436), (1010, 2218), (1109, 2020)]