20171249900

素因数分解:

$2^2\times 5^2\times {\mathrm{1039}}^1\times {\mathrm{194141}}^1$

素因数の和:195194

約数の個数: 36

約数和(自身を含む): 43813966560

約数和(自身を除く): 23642716660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1039, 2078, 4156, 5195, 10390, 20780, 25975, 51950, 103900, 194141, 388282, 776564, 970705, 1941410, 3882820, 4853525, 9707050, 19414100, 201712499, 403424998, 806849996, 1008562495, 2017124990, 4034249980, 5042812475, 10085624950, 20171249900]

約数ペア:

[(1, 20171249900), (2, 10085624950), (4, 5042812475), (5, 4034249980), (10, 2017124990), (20, 1008562495), (25, 806849996), (50, 403424998), (100, 201712499), (1039, 19414100), (2078, 9707050), (4156, 4853525), (5195, 3882820), (10390, 1941410), (20780, 970705), (25975, 776564), (51950, 388282), (103900, 194141)]