1712980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 3686760

約数和(自身を除く): 1973780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2089, 4178, 8356, 10445, 20890, 41780, 85649, 171298, 342596, 428245, 856490, 1712980]

約数ペア:

[(1, 1712980), (2, 856490), (4, 428245), (5, 342596), (10, 171298), (20, 85649), (41, 41780), (82, 20890), (164, 10445), (205, 8356), (410, 4178), (820, 2089)]