2160940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 4586400

約数和(自身を除く): 2425460

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1049, 2060, 2098, 4196, 5245, 10490, 20980, 108047, 216094, 432188, 540235, 1080470, 2160940]

約数ペア:

[(1, 2160940), (2, 1080470), (4, 540235), (5, 432188), (10, 216094), (20, 108047), (103, 20980), (206, 10490), (412, 5245), (515, 4196), (1030, 2098), (1049, 2060)]