40160

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1$

素因数の和:266

約数の個数: 24

約数和(自身を含む): 95256

約数和(自身を除く): 55096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 20080, 40160]

約数ペア:

[(1, 40160), (2, 20080), (4, 10040), (5, 8032), (8, 5020), (10, 4016), (16, 2510), (20, 2008), (32, 1255), (40, 1004), (80, 502), (160, 251)]