539980360

素因数分解:

$2^3\times 5^1\times {\mathrm{13499509}}^1$

素因数の和:13499520

約数の個数: 16

約数和(自身を含む): 1214955900

約数和(自身を除く): 674975540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13499509, 26999018, 53998036, 67497545, 107996072, 134995090, 269990180, 539980360]

約数ペア:

[(1, 539980360), (2, 269990180), (4, 134995090), (5, 107996072), (8, 67497545), (10, 53998036), (20, 26999018), (40, 13499509)]