31939580

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2161}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 67194960

約数和(自身を除く): 35255380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2161, 2956, 3695, 4322, 7390, 8644, 10805, 14780, 21610, 43220, 1596979, 3193958, 6387916, 7984895, 15969790, 31939580]

約数ペア:

[(1, 31939580), (2, 15969790), (4, 7984895), (5, 6387916), (10, 3193958), (20, 1596979), (739, 43220), (1478, 21610), (2161, 14780), (2956, 10805), (3695, 8644), (4322, 7390)]