28260280

素因数分解:

$2^3\times 5^1\times {\mathrm{706507}}^1$

素因数の和:706518

約数の個数: 16

約数和(自身を含む): 63585720

約数和(自身を除く): 35325440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706507, 1413014, 2826028, 3532535, 5652056, 7065070, 14130140, 28260280]

約数ペア:

[(1, 28260280), (2, 14130140), (4, 7065070), (5, 5652056), (8, 3532535), (10, 2826028), (20, 1413014), (40, 706507)]