31728940

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2063}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 66749760

約数和(自身を除く): 35020820

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 2063, 3076, 3845, 4126, 7690, 8252, 10315, 15380, 20630, 41260, 1586447, 3172894, 6345788, 7932235, 15864470, 31728940]

約数ペア:

[(1, 31728940), (2, 15864470), (4, 7932235), (5, 6345788), (10, 3172894), (20, 1586447), (769, 41260), (1538, 20630), (2063, 15380), (3076, 10315), (3845, 8252), (4126, 7690)]