54131900

素因数分解:

$2^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{1039}}^1$

素因数の和:1574

約数の個数: 36

約数和(自身を含む): 117804960

約数和(自身を除く): 63673060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 521, 1039, 1042, 2078, 2084, 2605, 4156, 5195, 5210, 10390, 10420, 13025, 20780, 25975, 26050, 51950, 52100, 103900, 541319, 1082638, 2165276, 2706595, 5413190, 10826380, 13532975, 27065950, 54131900]

約数ペア:

[(1, 54131900), (2, 27065950), (4, 13532975), (5, 10826380), (10, 5413190), (20, 2706595), (25, 2165276), (50, 1082638), (100, 541319), (521, 103900), (1039, 52100), (1042, 51950), (2078, 26050), (2084, 25975), (2605, 20780), (4156, 13025), (5195, 10420), (5210, 10390)]