837220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1021}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 1802808

約数和(自身を除く): 965588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1021, 2042, 4084, 5105, 10210, 20420, 41861, 83722, 167444, 209305, 418610, 837220]

約数ペア:

[(1, 837220), (2, 418610), (4, 209305), (5, 167444), (10, 83722), (20, 41861), (41, 20420), (82, 10210), (164, 5105), (205, 4084), (410, 2042), (820, 1021)]