87666680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50969}}^1$

素因数の和:51023

約数の個数: 32

約数和(自身を含む): 201841200

約数和(自身を除く): 114174520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 50969, 101938, 203876, 254845, 407752, 509690, 1019380, 2038760, 2191667, 4383334, 8766668, 10958335, 17533336, 21916670, 43833340, 87666680]

約数ペア:

[(1, 87666680), (2, 43833340), (4, 21916670), (5, 17533336), (8, 10958335), (10, 8766668), (20, 4383334), (40, 2191667), (43, 2038760), (86, 1019380), (172, 509690), (215, 407752), (344, 254845), (430, 203876), (860, 101938), (1720, 50969)]