8720470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7207}}^1$

素因数の和:7236

約数の個数: 24

約数和(自身を含む): 17255952

約数和(自身を除く): 8535482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 7207, 14414, 36035, 72070, 79277, 158554, 396385, 792770, 872047, 1744094, 4360235, 8720470]

約数ペア:

[(1, 8720470), (2, 4360235), (5, 1744094), (10, 872047), (11, 792770), (22, 396385), (55, 158554), (110, 79277), (121, 72070), (242, 36035), (605, 14414), (1210, 7207)]