11480720

素因数分解:

$2^4\times 5^1\times {\mathrm{143509}}^1$

素因数の和:143522

約数の個数: 20

約数和(自身を含む): 26692860

約数和(自身を除く): 15212140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143509, 287018, 574036, 717545, 1148072, 1435090, 2296144, 2870180, 5740360, 11480720]

約数ペア:

[(1, 11480720), (2, 5740360), (4, 2870180), (5, 2296144), (8, 1435090), (10, 1148072), (16, 717545), (20, 574036), (40, 287018), (80, 143509)]