90752080

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5087}}^1$

素因数の和:5323

約数の個数: 40

約数和(自身を含む): 211986432

約数和(自身を除く): 121234352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 5087, 8920, 10174, 17840, 20348, 25435, 40696, 50870, 81392, 101740, 203480, 406960, 1134401, 2268802, 4537604, 5672005, 9075208, 11344010, 18150416, 22688020, 45376040, 90752080]

約数ペア:

[(1, 90752080), (2, 45376040), (4, 22688020), (5, 18150416), (8, 11344010), (10, 9075208), (16, 5672005), (20, 4537604), (40, 2268802), (80, 1134401), (223, 406960), (446, 203480), (892, 101740), (1115, 81392), (1784, 50870), (2230, 40696), (3568, 25435), (4460, 20348), (5087, 17840), (8920, 10174)]