22172390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1319}}^1$

素因数の和:1408

約数の個数: 24

約数和(自身を含む): 40938480

約数和(自身を除く): 18766090

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1319, 1681, 2638, 3362, 6595, 8405, 13190, 16810, 54079, 108158, 270395, 540790, 2217239, 4434478, 11086195, 22172390]

約数ペア:

[(1, 22172390), (2, 11086195), (5, 4434478), (10, 2217239), (41, 540790), (82, 270395), (205, 108158), (410, 54079), (1319, 16810), (1681, 13190), (2638, 8405), (3362, 6595)]