2820040

素因数分解:

$2^3\times 5^1\times {\mathrm{70501}}^1$

素因数の和:70512

約数の個数: 16

約数和(自身を含む): 6345180

約数和(自身を除く): 3525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 70501, 141002, 282004, 352505, 564008, 705010, 1410020, 2820040]

約数ペア:

[(1, 2820040), (2, 1410020), (4, 705010), (5, 564008), (8, 352505), (10, 282004), (20, 141002), (40, 70501)]