9889550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17981}}^1$

素因数の和:18004

約数の個数: 24

約数和(自身を含む): 20067912

約数和(自身を除く): 10178362

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 17981, 35962, 89905, 179810, 197791, 395582, 449525, 899050, 988955, 1977910, 4944775, 9889550]

約数ペア:

[(1, 9889550), (2, 4944775), (5, 1977910), (10, 988955), (11, 899050), (22, 449525), (25, 395582), (50, 197791), (55, 179810), (110, 89905), (275, 35962), (550, 17981)]