68147080

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2609}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 153624600

約数和(自身を除く): 85477520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2609, 2612, 3265, 5218, 5224, 6530, 10436, 13045, 13060, 20872, 26090, 26120, 52180, 104360, 1703677, 3407354, 6814708, 8518385, 13629416, 17036770, 34073540, 68147080]

約数ペア:

[(1, 68147080), (2, 34073540), (4, 17036770), (5, 13629416), (8, 8518385), (10, 6814708), (20, 3407354), (40, 1703677), (653, 104360), (1306, 52180), (2609, 26120), (2612, 26090), (3265, 20872), (5218, 13060), (5224, 13045), (6530, 10436)]