80493712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386989}}^1$

素因数の和:387010

約数の個数: 20

約数和(自身を含む): 167953660

約数和(自身を除く): 87459948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386989, 773978, 1547956, 3095912, 5030857, 6191824, 10061714, 20123428, 40246856, 80493712]

約数ペア:

[(1, 80493712), (2, 40246856), (4, 20123428), (8, 10061714), (13, 6191824), (16, 5030857), (26, 3095912), (52, 1547956), (104, 773978), (208, 386989)]