81260600

素因数分解:

$2^3\times 5^2\times {\mathrm{353}}^1\times {\mathrm{1151}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 189630720

約数和(自身を除く): 108370120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 353, 706, 1151, 1412, 1765, 2302, 2824, 3530, 4604, 5755, 7060, 8825, 9208, 11510, 14120, 17650, 23020, 28775, 35300, 46040, 57550, 70600, 115100, 230200, 406303, 812606, 1625212, 2031515, 3250424, 4063030, 8126060, 10157575, 16252120, 20315150, 40630300, 81260600]

約数ペア:

[(1, 81260600), (2, 40630300), (4, 20315150), (5, 16252120), (8, 10157575), (10, 8126060), (20, 4063030), (25, 3250424), (40, 2031515), (50, 1625212), (100, 812606), (200, 406303), (353, 230200), (706, 115100), (1151, 70600), (1412, 57550), (1765, 46040), (2302, 35300), (2824, 28775), (3530, 23020), (4604, 17650), (5755, 14120), (7060, 11510), (8825, 9208)]