80097140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{17959}}^1$

素因数の和:18191

約数の個数: 24

約数和(自身を含む): 168967680

約数和(自身を除く): 88870540

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 17959, 35918, 71836, 89795, 179590, 359180, 4004857, 8009714, 16019428, 20024285, 40048570, 80097140]

約数ペア:

[(1, 80097140), (2, 40048570), (4, 20024285), (5, 16019428), (10, 8009714), (20, 4004857), (223, 359180), (446, 179590), (892, 89795), (1115, 71836), (2230, 35918), (4460, 17959)]