80992040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27737}}^1$

素因数の和:27821

約数の個数: 32

約数和(自身を含む): 184735080

約数和(自身を除く): 103743040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 27737, 55474, 110948, 138685, 221896, 277370, 554740, 1109480, 2024801, 4049602, 8099204, 10124005, 16198408, 20248010, 40496020, 80992040]

約数ペア:

[(1, 80992040), (2, 40496020), (4, 20248010), (5, 16198408), (8, 10124005), (10, 8099204), (20, 4049602), (40, 2024801), (73, 1109480), (146, 554740), (292, 277370), (365, 221896), (584, 138685), (730, 110948), (1460, 55474), (2920, 27737)]