28230040

素因数分解:

$2^3\times 5^1\times {\mathrm{705751}}^1$

素因数の和:705762

約数の個数: 16

約数和(自身を含む): 63517680

約数和(自身を除く): 35287640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705751, 1411502, 2823004, 3528755, 5646008, 7057510, 14115020, 28230040]

約数ペア:

[(1, 28230040), (2, 14115020), (4, 7057510), (5, 5646008), (8, 3528755), (10, 2823004), (20, 1411502), (40, 705751)]