122128780

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{4993}}^1$

素因数の和:6225

約数の個数: 24

約数和(自身を含む): 256731552

約数和(自身を除く): 134602772

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 4993, 6115, 9986, 12230, 19972, 24460, 24965, 49930, 99860, 6106439, 12212878, 24425756, 30532195, 61064390, 122128780]

約数ペア:

[(1, 122128780), (2, 61064390), (4, 30532195), (5, 24425756), (10, 12212878), (20, 6106439), (1223, 99860), (2446, 49930), (4892, 24965), (4993, 24460), (6115, 19972), (9986, 12230)]