640382060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1104107}}^1$

素因数の和:1104145

約数の個数: 24

約数和(自身を含む): 1391176080

約数和(自身を除く): 750794020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1104107, 2208214, 4416428, 5520535, 11041070, 22082140, 32019103, 64038206, 128076412, 160095515, 320191030, 640382060]

約数ペア:

[(1, 640382060), (2, 320191030), (4, 160095515), (5, 128076412), (10, 64038206), (20, 32019103), (29, 22082140), (58, 11041070), (116, 5520535), (145, 4416428), (290, 2208214), (580, 1104107)]