78768680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103643}}^1$

素因数の和:103673

約数の個数: 32

約数和(自身を含む): 186559200

約数和(自身を除く): 107790520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103643, 207286, 414572, 518215, 829144, 1036430, 1969217, 2072860, 3938434, 4145720, 7876868, 9846085, 15753736, 19692170, 39384340, 78768680]

約数ペア:

[(1, 78768680), (2, 39384340), (4, 19692170), (5, 15753736), (8, 9846085), (10, 7876868), (19, 4145720), (20, 3938434), (38, 2072860), (40, 1969217), (76, 1036430), (95, 829144), (152, 518215), (190, 414572), (380, 207286), (760, 103643)]