81071540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{368507}}^1$

素因数の和:368527

約数の個数: 24

約数和(自身を含む): 185728032

約数和(自身を除く): 104656492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 368507, 737014, 1474028, 1842535, 3685070, 4053577, 7370140, 8107154, 16214308, 20267885, 40535770, 81071540]

約数ペア:

[(1, 81071540), (2, 40535770), (4, 20267885), (5, 16214308), (10, 8107154), (11, 7370140), (20, 4053577), (22, 3685070), (44, 1842535), (55, 1474028), (110, 737014), (220, 368507)]