1689020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1069}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 3595200

約数和(自身を除く): 1906180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1069, 1580, 2138, 4276, 5345, 10690, 21380, 84451, 168902, 337804, 422255, 844510, 1689020]

約数ペア:

[(1, 1689020), (2, 844510), (4, 422255), (5, 337804), (10, 168902), (20, 84451), (79, 21380), (158, 10690), (316, 5345), (395, 4276), (790, 2138), (1069, 1580)]