81819160

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2753}}^1$

素因数の和:3507

約数の個数: 32

約数和(自身を含む): 184407840

約数和(自身を除く): 102588680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2753, 2972, 3715, 5506, 5944, 7430, 11012, 13765, 14860, 22024, 27530, 29720, 55060, 110120, 2045479, 4090958, 8181916, 10227395, 16363832, 20454790, 40909580, 81819160]

約数ペア:

[(1, 81819160), (2, 40909580), (4, 20454790), (5, 16363832), (8, 10227395), (10, 8181916), (20, 4090958), (40, 2045479), (743, 110120), (1486, 55060), (2753, 29720), (2972, 27530), (3715, 22024), (5506, 14860), (5944, 13765), (7430, 11012)]