80409020

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{2767}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 169036224

約数和(自身を除く): 88627204

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2767, 2906, 5534, 5812, 7265, 11068, 13835, 14530, 27670, 29060, 55340, 4020451, 8040902, 16081804, 20102255, 40204510, 80409020]

約数ペア:

[(1, 80409020), (2, 40204510), (4, 20102255), (5, 16081804), (10, 8040902), (20, 4020451), (1453, 55340), (2767, 29060), (2906, 27670), (5534, 14530), (5812, 13835), (7265, 11068)]