40260280

素因数分解:

$2^3\times 5^1\times {\mathrm{1006507}}^1$

素因数の和:1006518

約数の個数: 16

約数和(自身を含む): 90585720

約数和(自身を除く): 50325440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1006507, 2013014, 4026028, 5032535, 8052056, 10065070, 20130140, 40260280]

約数ペア:

[(1, 40260280), (2, 20130140), (4, 10065070), (5, 8052056), (8, 5032535), (10, 4026028), (20, 2013014), (40, 1006507)]