71067740

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3257}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 149424912

約数和(自身を除く): 78357172

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3257, 4364, 5455, 6514, 10910, 13028, 16285, 21820, 32570, 65140, 3553387, 7106774, 14213548, 17766935, 35533870, 71067740]

約数ペア:

[(1, 71067740), (2, 35533870), (4, 17766935), (5, 14213548), (10, 7106774), (20, 3553387), (1091, 65140), (2182, 32570), (3257, 21820), (4364, 16285), (5455, 13028), (6514, 10910)]