89491120

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2297}}^1$

素因数の和:2797

約数の個数: 40

約数和(自身を含む): 208584864

約数和(自身を除く): 119093744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2297, 2435, 3896, 4594, 4870, 7792, 9188, 9740, 11485, 18376, 19480, 22970, 36752, 38960, 45940, 91880, 183760, 1118639, 2237278, 4474556, 5593195, 8949112, 11186390, 17898224, 22372780, 44745560, 89491120]

約数ペア:

[(1, 89491120), (2, 44745560), (4, 22372780), (5, 17898224), (8, 11186390), (10, 8949112), (16, 5593195), (20, 4474556), (40, 2237278), (80, 1118639), (487, 183760), (974, 91880), (1948, 45940), (2297, 38960), (2435, 36752), (3896, 22970), (4594, 19480), (4870, 18376), (7792, 11485), (9188, 9740)]