164080780

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{6277}}^1$

素因数の和:7593

約数の個数: 24

約数和(自身を含む): 344888208

約数和(自身を除く): 180807428

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 5228, 6277, 6535, 12554, 13070, 25108, 26140, 31385, 62770, 125540, 8204039, 16408078, 32816156, 41020195, 82040390, 164080780]

約数ペア:

[(1, 164080780), (2, 82040390), (4, 41020195), (5, 32816156), (10, 16408078), (20, 8204039), (1307, 125540), (2614, 62770), (5228, 31385), (6277, 26140), (6535, 25108), (12554, 13070)]