207857960

素因数分解:

$2^3\times 5^1\times {\mathrm{5196449}}^1$

素因数の和:5196460

約数の個数: 16

約数和(自身を含む): 467680500

約数和(自身を除く): 259822540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5196449, 10392898, 20785796, 25982245, 41571592, 51964490, 103928980, 207857960]

約数ペア:

[(1, 207857960), (2, 103928980), (4, 51964490), (5, 41571592), (8, 25982245), (10, 20785796), (20, 10392898), (40, 5196449)]