7540280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17137}}^1$

素因数の和:17159

約数の個数: 32

約数和(自身を含む): 18509040

約数和(自身を除く): 10968760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 17137, 34274, 68548, 85685, 137096, 171370, 188507, 342740, 377014, 685480, 754028, 942535, 1508056, 1885070, 3770140, 7540280]

約数ペア:

[(1, 7540280), (2, 3770140), (4, 1885070), (5, 1508056), (8, 942535), (10, 754028), (11, 685480), (20, 377014), (22, 342740), (40, 188507), (44, 171370), (55, 137096), (88, 85685), (110, 68548), (220, 34274), (440, 17137)]