4489540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20407}}^1$

素因数の和:20427

約数の個数: 24

約数和(自身を含む): 10285632

約数和(自身を除く): 5796092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20407, 40814, 81628, 102035, 204070, 224477, 408140, 448954, 897908, 1122385, 2244770, 4489540]

約数ペア:

[(1, 4489540), (2, 2244770), (4, 1122385), (5, 897908), (10, 448954), (11, 408140), (20, 224477), (22, 204070), (44, 102035), (55, 81628), (110, 40814), (220, 20407)]