42137020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26669}}^1$

素因数の和:26757

約数の個数: 24

約数和(自身を含む): 89611200

約数和(自身を除く): 47474180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26669, 53338, 106676, 133345, 266690, 533380, 2106851, 4213702, 8427404, 10534255, 21068510, 42137020]

約数ペア:

[(1, 42137020), (2, 21068510), (4, 10534255), (5, 8427404), (10, 4213702), (20, 2106851), (79, 533380), (158, 266690), (316, 133345), (395, 106676), (790, 53338), (1580, 26669)]