185890820

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{11321}}^1$

素因数の和:12151

約数の個数: 24

約数和(自身を含む): 390880728

約数和(自身を除く): 204989908

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 11321, 16420, 22642, 45284, 56605, 113210, 226420, 9294541, 18589082, 37178164, 46472705, 92945410, 185890820]

約数ペア:

[(1, 185890820), (2, 92945410), (4, 46472705), (5, 37178164), (10, 18589082), (20, 9294541), (821, 226420), (1642, 113210), (3284, 56605), (4105, 45284), (8210, 22642), (11321, 16420)]