39517712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{189989}}^1$

素因数の和:190010

約数の個数: 20

約数和(自身を含む): 82455660

約数和(自身を除く): 42937948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 189989, 379978, 759956, 1519912, 2469857, 3039824, 4939714, 9879428, 19758856, 39517712]

約数ペア:

[(1, 39517712), (2, 19758856), (4, 9879428), (8, 4939714), (13, 3039824), (16, 2469857), (26, 1519912), (52, 759956), (104, 379978), (208, 189989)]