4554020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2089}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 9655800

約数和(自身を除く): 5101780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2089, 2180, 4178, 8356, 10445, 20890, 41780, 227701, 455402, 910804, 1138505, 2277010, 4554020]

約数ペア:

[(1, 4554020), (2, 2277010), (4, 1138505), (5, 910804), (10, 455402), (20, 227701), (109, 41780), (218, 20890), (436, 10445), (545, 8356), (1090, 4178), (2089, 2180)]