87265780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623327}}^1$

素因数の和:623343

約数の個数: 24

約数和(自身を含む): 209438208

約数和(自身を除く): 122172428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623327, 1246654, 2493308, 3116635, 4363289, 6233270, 8726578, 12466540, 17453156, 21816445, 43632890, 87265780]

約数ペア:

[(1, 87265780), (2, 43632890), (4, 21816445), (5, 17453156), (7, 12466540), (10, 8726578), (14, 6233270), (20, 4363289), (28, 3116635), (35, 2493308), (70, 1246654), (140, 623327)]