68175280

素因数分解:

$2^4\times 5^1\times {\mathrm{852191}}^1$

素因数の和:852204

約数の個数: 20

約数和(自身を含む): 158507712

約数和(自身を除く): 90332432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 852191, 1704382, 3408764, 4260955, 6817528, 8521910, 13635056, 17043820, 34087640, 68175280]

約数ペア:

[(1, 68175280), (2, 34087640), (4, 17043820), (5, 13635056), (8, 8521910), (10, 6817528), (16, 4260955), (20, 3408764), (40, 1704382), (80, 852191)]