85479280

素因数分解:

$2^4\times 5^1\times {\mathrm{1068491}}^1$

素因数の和:1068504

約数の個数: 20

約数和(自身を含む): 198739512

約数和(自身を除く): 113260232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1068491, 2136982, 4273964, 5342455, 8547928, 10684910, 17095856, 21369820, 42739640, 85479280]

約数ペア:

[(1, 85479280), (2, 42739640), (4, 21369820), (5, 17095856), (8, 10684910), (10, 8547928), (16, 5342455), (20, 4273964), (40, 2136982), (80, 1068491)]