31450760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71479}}^1$

素因数の和:71501

約数の個数: 32

約数和(自身を含む): 77198400

約数和(自身を除く): 45747640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71479, 142958, 285916, 357395, 571832, 714790, 786269, 1429580, 1572538, 2859160, 3145076, 3931345, 6290152, 7862690, 15725380, 31450760]

約数ペア:

[(1, 31450760), (2, 15725380), (4, 7862690), (5, 6290152), (8, 3931345), (10, 3145076), (11, 2859160), (20, 1572538), (22, 1429580), (40, 786269), (44, 714790), (55, 571832), (88, 357395), (110, 285916), (220, 142958), (440, 71479)]