66640480

素因数分解:

$2^5\times 5^1\times {\mathrm{416503}}^1$

素因数の和:416518

約数の個数: 24

約数和(自身を含む): 157438512

約数和(自身を除く): 90798032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 416503, 833006, 1666012, 2082515, 3332024, 4165030, 6664048, 8330060, 13328096, 16660120, 33320240, 66640480]

約数ペア:

[(1, 66640480), (2, 33320240), (4, 16660120), (5, 13328096), (8, 8330060), (10, 6664048), (16, 4165030), (20, 3332024), (32, 2082515), (40, 1666012), (80, 833006), (160, 416503)]