129845900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{2551}}^1$

素因数の和:3074

約数の個数: 36

約数和(自身を含む): 282429840

約数和(自身を除く): 152583940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2545, 2551, 5090, 5102, 10180, 10204, 12725, 12755, 25450, 25510, 50900, 51020, 63775, 127550, 255100, 1298459, 2596918, 5193836, 6492295, 12984590, 25969180, 32461475, 64922950, 129845900]

約数ペア:

[(1, 129845900), (2, 64922950), (4, 32461475), (5, 25969180), (10, 12984590), (20, 6492295), (25, 5193836), (50, 2596918), (100, 1298459), (509, 255100), (1018, 127550), (2036, 63775), (2545, 51020), (2551, 50900), (5090, 25510), (5102, 25450), (10180, 12755), (10204, 12725)]