68491880

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{5081}}^1$

素因数の和:5429

約数の個数: 32

約数和(自身を含む): 154594440

約数和(自身を除く): 86102560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 5081, 6740, 10162, 13480, 20324, 25405, 40648, 50810, 101620, 203240, 1712297, 3424594, 6849188, 8561485, 13698376, 17122970, 34245940, 68491880]

約数ペア:

[(1, 68491880), (2, 34245940), (4, 17122970), (5, 13698376), (8, 8561485), (10, 6849188), (20, 3424594), (40, 1712297), (337, 203240), (674, 101620), (1348, 50810), (1685, 40648), (2696, 25405), (3370, 20324), (5081, 13480), (6740, 10162)]