68854580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83969}}^1$

素因数の和:84019

約数の個数: 24

約数和(自身を含む): 148123080

約数和(自身を除く): 79268500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83969, 167938, 335876, 419845, 839690, 1679380, 3442729, 6885458, 13770916, 17213645, 34427290, 68854580]

約数ペア:

[(1, 68854580), (2, 34427290), (4, 17213645), (5, 13770916), (10, 6885458), (20, 3442729), (41, 1679380), (82, 839690), (164, 419845), (205, 335876), (410, 167938), (820, 83969)]