552680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 1277640

約数和(自身を除く): 724960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 337, 410, 674, 820, 1348, 1640, 1685, 2696, 3370, 6740, 13480, 13817, 27634, 55268, 69085, 110536, 138170, 276340, 552680]

約数ペア:

[(1, 552680), (2, 276340), (4, 138170), (5, 110536), (8, 69085), (10, 55268), (20, 27634), (40, 13817), (41, 13480), (82, 6740), (164, 3370), (205, 2696), (328, 1685), (337, 1640), (410, 1348), (674, 820)]