12960160

素因数分解:

$2^5\times 5^1\times {\mathrm{81001}}^1$

素因数の和:81016

約数の個数: 24

約数和(自身を含む): 30618756

約数和(自身を除く): 17658596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81001, 162002, 324004, 405005, 648008, 810010, 1296016, 1620020, 2592032, 3240040, 6480080, 12960160]

約数ペア:

[(1, 12960160), (2, 6480080), (4, 3240040), (5, 2592032), (8, 1620020), (10, 1296016), (16, 810010), (20, 648008), (32, 405005), (40, 324004), (80, 162002), (160, 81001)]