68404880

素因数分解:

$2^4\times 5^1\times {\mathrm{855061}}^1$

素因数の和:855074

約数の個数: 20

約数和(自身を含む): 159041532

約数和(自身を除く): 90636652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 855061, 1710122, 3420244, 4275305, 6840488, 8550610, 13680976, 17101220, 34202440, 68404880]

約数ペア:

[(1, 68404880), (2, 34202440), (4, 17101220), (5, 13680976), (8, 8550610), (10, 6840488), (16, 4275305), (20, 3420244), (40, 1710122), (80, 855061)]