80994040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88037}}^1$

素因数の和:88071

約数の個数: 32

約数和(自身を含む): 190162080

約数和(自身を除く): 109168040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 88037, 176074, 352148, 440185, 704296, 880370, 1760740, 2024851, 3521480, 4049702, 8099404, 10124255, 16198808, 20248510, 40497020, 80994040]

約数ペア:

[(1, 80994040), (2, 40497020), (4, 20248510), (5, 16198808), (8, 10124255), (10, 8099404), (20, 4049702), (23, 3521480), (40, 2024851), (46, 1760740), (92, 880370), (115, 704296), (184, 440185), (230, 352148), (460, 176074), (920, 88037)]