2549380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3109}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 5486040

約数和(自身を除く): 2936660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3109, 6218, 12436, 15545, 31090, 62180, 127469, 254938, 509876, 637345, 1274690, 2549380]

約数ペア:

[(1, 2549380), (2, 1274690), (4, 637345), (5, 509876), (10, 254938), (20, 127469), (41, 62180), (82, 31090), (164, 15545), (205, 12436), (410, 6218), (820, 3109)]