2116647580

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{531821}}^1$

素因数の和:532029

約数の個数: 24

約数和(自身を含む): 4467304800

約数和(自身を除く): 2350657220

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 531821, 1063642, 2127284, 2659105, 5318210, 10636420, 105832379, 211664758, 423329516, 529161895, 1058323790, 2116647580]

約数ペア:

[(1, 2116647580), (2, 1058323790), (4, 529161895), (5, 423329516), (10, 211664758), (20, 105832379), (199, 10636420), (398, 5318210), (796, 2659105), (995, 2127284), (1990, 1063642), (3980, 531821)]