68860040

素因数分解:

$2^3\times 5^1\times {\mathrm{1721501}}^1$

素因数の和:1721512

約数の個数: 16

約数和(自身を含む): 154935180

約数和(自身を除く): 86075140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721501, 3443002, 6886004, 8607505, 13772008, 17215010, 34430020, 68860040]

約数ペア:

[(1, 68860040), (2, 34430020), (4, 17215010), (5, 13772008), (8, 8607505), (10, 6886004), (20, 3443002), (40, 1721501)]