68415280

素因数分解:

$2^4\times 5^1\times {\mathrm{855191}}^1$

素因数の和:855204

約数の個数: 20

約数和(自身を含む): 159065712

約数和(自身を除く): 90650432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 855191, 1710382, 3420764, 4275955, 6841528, 8551910, 13683056, 17103820, 34207640, 68415280]

約数ペア:

[(1, 68415280), (2, 34207640), (4, 17103820), (5, 13683056), (8, 8551910), (10, 6841528), (16, 4275955), (20, 3420764), (40, 1710382), (80, 855191)]