82559440

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2957}}^1$

素因数の和:3319

約数の個数: 40

約数和(自身を含む): 192565800

約数和(自身を除く): 110006360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 2957, 3490, 5584, 5914, 6980, 11828, 13960, 14785, 23656, 27920, 29570, 47312, 59140, 118280, 236560, 1031993, 2063986, 4127972, 5159965, 8255944, 10319930, 16511888, 20639860, 41279720, 82559440]

約数ペア:

[(1, 82559440), (2, 41279720), (4, 20639860), (5, 16511888), (8, 10319930), (10, 8255944), (16, 5159965), (20, 4127972), (40, 2063986), (80, 1031993), (349, 236560), (698, 118280), (1396, 59140), (1745, 47312), (2792, 29570), (2957, 27920), (3490, 23656), (5584, 14785), (5914, 13960), (6980, 11828)]