68183860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31277}}^1$

素因数の和:31395

約数の個数: 24

約数和(自身を含む): 144504360

約数和(自身を除く): 76320500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31277, 62554, 125108, 156385, 312770, 625540, 3409193, 6818386, 13636772, 17045965, 34091930, 68183860]

約数ペア:

[(1, 68183860), (2, 34091930), (4, 17045965), (5, 13636772), (10, 6818386), (20, 3409193), (109, 625540), (218, 312770), (436, 156385), (545, 125108), (1090, 62554), (2180, 31277)]