31615340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68729}}^1$

素因数の和:68761

約数の個数: 24

約数和(自身を含む): 69279840

約数和(自身を除く): 37664500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68729, 137458, 274916, 343645, 687290, 1374580, 1580767, 3161534, 6323068, 7903835, 15807670, 31615340]

約数ペア:

[(1, 31615340), (2, 15807670), (4, 7903835), (5, 6323068), (10, 3161534), (20, 1580767), (23, 1374580), (46, 687290), (92, 343645), (115, 274916), (230, 137458), (460, 68729)]