27550540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81031}}^1$

素因数の和:81057

約数の個数: 24

約数和(自身を含む): 61260192

約数和(自身を除く): 33709652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81031, 162062, 324124, 405155, 810310, 1377527, 1620620, 2755054, 5510108, 6887635, 13775270, 27550540]

約数ペア:

[(1, 27550540), (2, 13775270), (4, 6887635), (5, 5510108), (10, 2755054), (17, 1620620), (20, 1377527), (34, 810310), (68, 405155), (85, 324124), (170, 162062), (340, 81031)]