205280245

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 250089840

約数和(自身を除く): 44809595

約数列:

[1, 5, 109, 181, 545, 905, 2081, 10405, 19729, 98645, 226829, 376661, 1134145, 1883305, 41056049, 205280245]

約数ペア:

[(1, 205280245), (5, 41056049), (109, 1883305), (181, 1134145), (545, 376661), (905, 226829), (2081, 98645), (10405, 19729)]