81378310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5743}}^1$

素因数の和:5872

約数の個数: 32

約数和(自身を含む): 159223680

約数和(自身を除く): 77845370

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 5743, 7085, 11486, 14170, 28715, 57430, 74659, 149318, 373295, 625987, 746590, 1251974, 3129935, 6259870, 8137831, 16275662, 40689155, 81378310]

約数ペア:

[(1, 81378310), (2, 40689155), (5, 16275662), (10, 8137831), (13, 6259870), (26, 3129935), (65, 1251974), (109, 746590), (130, 625987), (218, 373295), (545, 149318), (1090, 74659), (1417, 57430), (2834, 28715), (5743, 14170), (7085, 11486)]