1630040

素因数分解:

$2^3\times 5^1\times {\mathrm{40751}}^1$

素因数の和:40762

約数の個数: 16

約数和(自身を含む): 3667680

約数和(自身を除く): 2037640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40751, 81502, 163004, 203755, 326008, 407510, 815020, 1630040]

約数ペア:

[(1, 1630040), (2, 815020), (4, 407510), (5, 326008), (8, 203755), (10, 163004), (20, 81502), (40, 40751)]