128248010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{16421}}^1$

素因数の和:16510

約数の個数: 32

約数和(自身を含む): 255394944

約数和(自身を除く): 127146934

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 16421, 32842, 82105, 164210, 180631, 361262, 903155, 1165891, 1806310, 2331782, 5829455, 11658910, 12824801, 25649602, 64124005, 128248010]

約数ペア:

[(1, 128248010), (2, 64124005), (5, 25649602), (10, 12824801), (11, 11658910), (22, 5829455), (55, 2331782), (71, 1806310), (110, 1165891), (142, 903155), (355, 361262), (710, 180631), (781, 164210), (1562, 82105), (3905, 32842), (7810, 16421)]