85126820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2297}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 191101680

約数和(自身を除く): 105974860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 2297, 3706, 4594, 7412, 9188, 9265, 11485, 18530, 22970, 37060, 39049, 45940, 78098, 156196, 195245, 250373, 390490, 500746, 780980, 1001492, 1251865, 2503730, 4256341, 5007460, 8512682, 17025364, 21281705, 42563410, 85126820]

約数ペア:

[(1, 85126820), (2, 42563410), (4, 21281705), (5, 17025364), (10, 8512682), (17, 5007460), (20, 4256341), (34, 2503730), (68, 1251865), (85, 1001492), (109, 780980), (170, 500746), (218, 390490), (340, 250373), (436, 195245), (545, 156196), (1090, 78098), (1853, 45940), (2180, 39049), (2297, 37060), (3706, 22970), (4594, 18530), (7412, 11485), (9188, 9265)]