2204980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 4745160

約数和(自身を除く): 2540180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2689, 5378, 10756, 13445, 26890, 53780, 110249, 220498, 440996, 551245, 1102490, 2204980]

約数ペア:

[(1, 2204980), (2, 1102490), (4, 551245), (5, 440996), (10, 220498), (20, 110249), (41, 53780), (82, 26890), (164, 13445), (205, 10756), (410, 5378), (820, 2689)]