8721140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18959}}^1$

素因数の和:18991

約数の個数: 24

約数和(自身を含む): 19111680

約数和(自身を除く): 10390540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 18959, 37918, 75836, 94795, 189590, 379180, 436057, 872114, 1744228, 2180285, 4360570, 8721140]

約数ペア:

[(1, 8721140), (2, 4360570), (4, 2180285), (5, 1744228), (10, 872114), (20, 436057), (23, 379180), (46, 189590), (92, 94795), (115, 75836), (230, 37918), (460, 18959)]