27440180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72211}}^1$

素因数の和:72239

約数の個数: 24

約数和(自身を含む): 60658080

約数和(自身を除く): 33217900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 72211, 144422, 288844, 361055, 722110, 1372009, 1444220, 2744018, 5488036, 6860045, 13720090, 27440180]

約数ペア:

[(1, 27440180), (2, 13720090), (4, 6860045), (5, 5488036), (10, 2744018), (19, 1444220), (20, 1372009), (38, 722110), (76, 361055), (95, 288844), (190, 144422), (380, 72211)]