64990180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{141283}}^1$

素因数の和:141315

約数の個数: 24

約数和(自身を含む): 142414272

約数和(自身を除く): 77424092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 141283, 282566, 565132, 706415, 1412830, 2825660, 3249509, 6499018, 12998036, 16247545, 32495090, 64990180]

約数ペア:

[(1, 64990180), (2, 32495090), (4, 16247545), (5, 12998036), (10, 6499018), (20, 3249509), (23, 2825660), (46, 1412830), (92, 706415), (115, 565132), (230, 282566), (460, 141283)]