22250440

素因数分解:

$2^3\times 5^1\times {\mathrm{556261}}^1$

素因数の和:556272

約数の個数: 16

約数和(自身を含む): 50063580

約数和(自身を除く): 27813140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 556261, 1112522, 2225044, 2781305, 4450088, 5562610, 11125220, 22250440]

約数ペア:

[(1, 22250440), (2, 11125220), (4, 5562610), (5, 4450088), (8, 2781305), (10, 2225044), (20, 1112522), (40, 556261)]