20180449040

素因数分解:

$2^4\times 5^1\times {\mathrm{252255613}}^1$

素因数の和:252255626

約数の個数: 20

約数和(自身を含む): 46919544204

約数和(自身を除く): 26739095164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252255613, 504511226, 1009022452, 1261278065, 2018044904, 2522556130, 4036089808, 5045112260, 10090224520, 20180449040]

約数ペア:

[(1, 20180449040), (2, 10090224520), (4, 5045112260), (5, 4036089808), (8, 2522556130), (10, 2018044904), (16, 1261278065), (20, 1009022452), (40, 504511226), (80, 252255613)]