31906760

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4133}}^1$

素因数の和:4337

約数の個数: 32

約数和(自身を含む): 72179640

約数和(自身を除く): 40272880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4133, 7720, 8266, 16532, 20665, 33064, 41330, 82660, 165320, 797669, 1595338, 3190676, 3988345, 6381352, 7976690, 15953380, 31906760]

約数ペア:

[(1, 31906760), (2, 15953380), (4, 7976690), (5, 6381352), (8, 3988345), (10, 3190676), (20, 1595338), (40, 797669), (193, 165320), (386, 82660), (772, 41330), (965, 33064), (1544, 20665), (1930, 16532), (3860, 8266), (4133, 7720)]