85461680

素因数分解:

$2^4\times 5^1\times {\mathrm{1068271}}^1$

素因数の和:1068284

約数の個数: 20

約数和(自身を含む): 198698592

約数和(自身を除く): 113236912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1068271, 2136542, 4273084, 5341355, 8546168, 10682710, 17092336, 21365420, 42730840, 85461680]

約数ペア:

[(1, 85461680), (2, 42730840), (4, 21365420), (5, 17092336), (8, 10682710), (10, 8546168), (16, 5341355), (20, 4273084), (40, 2136542), (80, 1068271)]