140420015

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1583}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 171186048

約数和(自身を除く): 30766033

約数列:

[1, 5, 113, 157, 565, 785, 1583, 7915, 17741, 88705, 178879, 248531, 894395, 1242655, 28084003, 140420015]

約数ペア:

[(1, 140420015), (5, 28084003), (113, 1242655), (157, 894395), (565, 248531), (785, 178879), (1583, 88705), (7915, 17741)]