66559160

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1301}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 83431240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1301, 2558, 2602, 5116, 5204, 6395, 6505, 10232, 10408, 12790, 13010, 25580, 26020, 51160, 52040, 1663979, 3327958, 6655916, 8319895, 13311832, 16639790, 33279580, 66559160]

約数ペア:

[(1, 66559160), (2, 33279580), (4, 16639790), (5, 13311832), (8, 8319895), (10, 6655916), (20, 3327958), (40, 1663979), (1279, 52040), (1301, 51160), (2558, 26020), (2602, 25580), (5116, 13010), (5204, 12790), (6395, 10408), (6505, 10232)]