287480080

素因数分解:

$2^4\times 5^1\times {\mathrm{3593501}}^1$

素因数の和:3593514

約数の個数: 20

約数和(自身を含む): 668391372

約数和(自身を除く): 380911292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3593501, 7187002, 14374004, 17967505, 28748008, 35935010, 57496016, 71870020, 143740040, 287480080]

約数ペア:

[(1, 287480080), (2, 143740040), (4, 71870020), (5, 57496016), (8, 35935010), (10, 28748008), (16, 17967505), (20, 14374004), (40, 7187002), (80, 3593501)]