2090180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2599

約数の個数: 24

約数和(自身を含む): 4498200

約数和(自身を除く): 2408020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2549, 5098, 10196, 12745, 25490, 50980, 104509, 209018, 418036, 522545, 1045090, 2090180]

約数ペア:

[(1, 2090180), (2, 1045090), (4, 522545), (5, 418036), (10, 209018), (20, 104509), (41, 50980), (82, 25490), (164, 12745), (205, 10196), (410, 5098), (820, 2549)]