3992440

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 9056160

約数和(自身を除く): 5063720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 661, 755, 1208, 1322, 1510, 2644, 3020, 3305, 5288, 6040, 6610, 13220, 26440, 99811, 199622, 399244, 499055, 798488, 998110, 1996220, 3992440]

約数ペア:

[(1, 3992440), (2, 1996220), (4, 998110), (5, 798488), (8, 499055), (10, 399244), (20, 199622), (40, 99811), (151, 26440), (302, 13220), (604, 6610), (661, 6040), (755, 5288), (1208, 3305), (1322, 3020), (1510, 2644)]