71658760

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2161}}^1$

素因数の和:3001

約数の個数: 32

約数和(自身を含む): 161501400

約数和(自身を除く): 89842640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 2161, 3316, 4145, 4322, 6632, 8290, 8644, 10805, 16580, 17288, 21610, 33160, 43220, 86440, 1791469, 3582938, 7165876, 8957345, 14331752, 17914690, 35829380, 71658760]

約数ペア:

[(1, 71658760), (2, 35829380), (4, 17914690), (5, 14331752), (8, 8957345), (10, 7165876), (20, 3582938), (40, 1791469), (829, 86440), (1658, 43220), (2161, 33160), (3316, 21610), (4145, 17288), (4322, 16580), (6632, 10805), (8290, 8644)]