289260040

素因数分解:

$2^3\times 5^1\times {\mathrm{7231501}}^1$

素因数の和:7231512

約数の個数: 16

約数和(自身を含む): 650835180

約数和(自身を除く): 361575140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7231501, 14463002, 28926004, 36157505, 57852008, 72315010, 144630020, 289260040]

約数ペア:

[(1, 289260040), (2, 144630020), (4, 72315010), (5, 57852008), (8, 36157505), (10, 28926004), (20, 14463002), (40, 7231501)]