82479440

素因数分解:

$2^4\times 5^1\times {\mathrm{1030993}}^1$

素因数の和:1031006

約数の個数: 20

約数和(自身を含む): 191764884

約数和(自身を除く): 109285444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1030993, 2061986, 4123972, 5154965, 8247944, 10309930, 16495888, 20619860, 41239720, 82479440]

約数ペア:

[(1, 82479440), (2, 41239720), (4, 20619860), (5, 16495888), (8, 10309930), (10, 8247944), (16, 5154965), (20, 4123972), (40, 2061986), (80, 1030993)]