30717040

素因数分解:

$2^4\times 5^1\times {\mathrm{383963}}^1$

素因数の和:383976

約数の個数: 20

約数和(自身を含む): 71417304

約数和(自身を除く): 40700264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383963, 767926, 1535852, 1919815, 3071704, 3839630, 6143408, 7679260, 15358520, 30717040]

約数ペア:

[(1, 30717040), (2, 15358520), (4, 7679260), (5, 6143408), (8, 3839630), (10, 3071704), (16, 1919815), (20, 1535852), (40, 767926), (80, 383963)]