68865080

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5431}}^1$

素因数の和:5759

約数の個数: 32

約数和(自身を含む): 155463840

約数和(自身を除く): 86598760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 5431, 6340, 10862, 12680, 21724, 27155, 43448, 54310, 108620, 217240, 1721627, 3443254, 6886508, 8608135, 13773016, 17216270, 34432540, 68865080]

約数ペア:

[(1, 68865080), (2, 34432540), (4, 17216270), (5, 13773016), (8, 8608135), (10, 6886508), (20, 3443254), (40, 1721627), (317, 217240), (634, 108620), (1268, 54310), (1585, 43448), (2536, 27155), (3170, 21724), (5431, 12680), (6340, 10862)]