80643810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206779}}^1$

素因数の和:206802

約数の個数: 32

約数和(自身を含む): 208434240

約数和(自身を除く): 127790430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 206779, 413558, 620337, 1033895, 1240674, 2067790, 2688127, 3101685, 5376254, 6203370, 8064381, 13440635, 16128762, 26881270, 40321905, 80643810]

約数ペア:

[(1, 80643810), (2, 40321905), (3, 26881270), (5, 16128762), (6, 13440635), (10, 8064381), (13, 6203370), (15, 5376254), (26, 3101685), (30, 2688127), (39, 2067790), (65, 1240674), (78, 1033895), (130, 620337), (195, 413558), (390, 206779)]