80721260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{175481}}^1$

素因数の和:175513

約数の個数: 24

約数和(自身を含む): 176885856

約数和(自身を除く): 96164596

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 175481, 350962, 701924, 877405, 1754810, 3509620, 4036063, 8072126, 16144252, 20180315, 40360630, 80721260]

約数ペア:

[(1, 80721260), (2, 40360630), (4, 20180315), (5, 16144252), (10, 8072126), (20, 4036063), (23, 3509620), (46, 1754810), (92, 877405), (115, 701924), (230, 350962), (460, 175481)]