836001020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{212183}}^1$

素因数の和:212389

約数の個数: 24

約数和(自身を含む): 1764522144

約数和(自身を除く): 928521124

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 212183, 424366, 848732, 1060915, 2121830, 4243660, 41800051, 83600102, 167200204, 209000255, 418000510, 836001020]

約数ペア:

[(1, 836001020), (2, 418000510), (4, 209000255), (5, 167200204), (10, 83600102), (20, 41800051), (197, 4243660), (394, 2121830), (788, 1060915), (985, 848732), (1970, 424366), (3940, 212183)]