7980940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36277}}^1$

素因数の和:36297

約数の個数: 24

約数和(自身を含む): 18284112

約数和(自身を除く): 10303172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 36277, 72554, 145108, 181385, 362770, 399047, 725540, 798094, 1596188, 1995235, 3990470, 7980940]

約数ペア:

[(1, 7980940), (2, 3990470), (4, 1995235), (5, 1596188), (10, 798094), (11, 725540), (20, 399047), (22, 362770), (44, 181385), (55, 145108), (110, 72554), (220, 36277)]