87012005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{4007}}^1$

素因数の和:4156

約数の個数: 16

約数和(自身を含む): 107927424

約数和(自身を除く): 20915419

約数列:

[1, 5, 43, 101, 215, 505, 4007, 4343, 20035, 21715, 172301, 404707, 861505, 2023535, 17402401, 87012005]

約数ペア:

[(1, 87012005), (5, 17402401), (43, 2023535), (101, 861505), (215, 404707), (505, 172301), (4007, 21715), (4343, 20035)]