64091680

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1009}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 151948440

約数和(自身を除く): 87856760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1009, 1588, 1985, 2018, 3176, 3970, 4036, 5045, 6352, 7940, 8072, 10090, 12704, 15880, 16144, 20180, 31760, 32288, 40360, 63520, 80720, 161440, 400573, 801146, 1602292, 2002865, 3204584, 4005730, 6409168, 8011460, 12818336, 16022920, 32045840, 64091680]

約数ペア:

[(1, 64091680), (2, 32045840), (4, 16022920), (5, 12818336), (8, 8011460), (10, 6409168), (16, 4005730), (20, 3204584), (32, 2002865), (40, 1602292), (80, 801146), (160, 400573), (397, 161440), (794, 80720), (1009, 63520), (1588, 40360), (1985, 32288), (2018, 31760), (3176, 20180), (3970, 16144), (4036, 15880), (5045, 12704), (6352, 10090), (7940, 8072)]