73657840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8447}}^1$

素因数の和:8569

約数の個数: 40

約数和(自身を含む): 172846080

約数和(自身を除く): 99188240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8447, 8720, 16894, 33788, 42235, 67576, 84470, 135152, 168940, 337880, 675760, 920723, 1841446, 3682892, 4603615, 7365784, 9207230, 14731568, 18414460, 36828920, 73657840]

約数ペア:

[(1, 73657840), (2, 36828920), (4, 18414460), (5, 14731568), (8, 9207230), (10, 7365784), (16, 4603615), (20, 3682892), (40, 1841446), (80, 920723), (109, 675760), (218, 337880), (436, 168940), (545, 135152), (872, 84470), (1090, 67576), (1744, 42235), (2180, 33788), (4360, 16894), (8447, 8720)]