4287580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19489}}^1$

素因数の和:19509

約数の個数: 24

約数和(自身を含む): 9822960

約数和(自身を除く): 5535380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19489, 38978, 77956, 97445, 194890, 214379, 389780, 428758, 857516, 1071895, 2143790, 4287580]

約数ペア:

[(1, 4287580), (2, 2143790), (4, 1071895), (5, 857516), (10, 428758), (11, 389780), (20, 214379), (22, 194890), (44, 97445), (55, 77956), (110, 38978), (220, 19489)]