5681080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 12909600

約数和(自身を除く): 7228520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1303, 2180, 2606, 4360, 5212, 6515, 10424, 13030, 26060, 52120, 142027, 284054, 568108, 710135, 1136216, 1420270, 2840540, 5681080]

約数ペア:

[(1, 5681080), (2, 2840540), (4, 1420270), (5, 1136216), (8, 710135), (10, 568108), (20, 284054), (40, 142027), (109, 52120), (218, 26060), (436, 13030), (545, 10424), (872, 6515), (1090, 5212), (1303, 4360), (2180, 2606)]