80496440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10427}}^1$

素因数の和:10631

約数の個数: 32

約数和(自身を含む): 182072880

約数和(自身を除く): 101576440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10427, 20854, 41708, 52135, 83416, 104270, 208540, 417080, 2012411, 4024822, 8049644, 10062055, 16099288, 20124110, 40248220, 80496440]

約数ペア:

[(1, 80496440), (2, 40248220), (4, 20124110), (5, 16099288), (8, 10062055), (10, 8049644), (20, 4024822), (40, 2012411), (193, 417080), (386, 208540), (772, 104270), (965, 83416), (1544, 52135), (1930, 41708), (3860, 20854), (7720, 10427)]