40474160

素因数分解:

$2^4\times 5^1\times {\mathrm{505927}}^1$

素因数の和:505940

約数の個数: 20

約数和(自身を含む): 94102608

約数和(自身を除く): 53628448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505927, 1011854, 2023708, 2529635, 4047416, 5059270, 8094832, 10118540, 20237080, 40474160]

約数ペア:

[(1, 40474160), (2, 20237080), (4, 10118540), (5, 8094832), (8, 5059270), (10, 4047416), (16, 2529635), (20, 2023708), (40, 1011854), (80, 505927)]