2170540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2647}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 4671072

約数和(自身を除く): 2500532

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2647, 5294, 10588, 13235, 26470, 52940, 108527, 217054, 434108, 542635, 1085270, 2170540]

約数ペア:

[(1, 2170540), (2, 1085270), (4, 542635), (5, 434108), (10, 217054), (20, 108527), (41, 52940), (82, 26470), (164, 13235), (205, 10588), (410, 5294), (820, 2647)]