84254440

素因数分解:

$2^3\times 5^1\times {\mathrm{2106361}}^1$

素因数の和:2106372

約数の個数: 16

約数和(自身を含む): 189572580

約数和(自身を除く): 105318140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2106361, 4212722, 8425444, 10531805, 16850888, 21063610, 42127220, 84254440]

約数ペア:

[(1, 84254440), (2, 42127220), (4, 21063610), (5, 16850888), (8, 10531805), (10, 8425444), (20, 4212722), (40, 2106361)]