30921580

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2339}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 65061360

約数和(自身を除く): 34139780

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2339, 2644, 3305, 4678, 6610, 9356, 11695, 13220, 23390, 46780, 1546079, 3092158, 6184316, 7730395, 15460790, 30921580]

約数ペア:

[(1, 30921580), (2, 15460790), (4, 7730395), (5, 6184316), (10, 3092158), (20, 1546079), (661, 46780), (1322, 23390), (2339, 13220), (2644, 11695), (3305, 9356), (4678, 6610)]