205002340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{90709}}^1$

素因数の和:90831

約数の個数: 24

約数和(自身を含む): 434319480

約数和(自身を除く): 229317140

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 90709, 181418, 362836, 453545, 907090, 1814180, 10250117, 20500234, 41000468, 51250585, 102501170, 205002340]

約数ペア:

[(1, 205002340), (2, 102501170), (4, 51250585), (5, 41000468), (10, 20500234), (20, 10250117), (113, 1814180), (226, 907090), (452, 453545), (565, 362836), (1130, 181418), (2260, 90709)]