1320803860

素因数分解:

$2^2\times 5^1\times {\mathrm{9479}}^1\times {\mathrm{6967}}^1$

素因数の和:16455

約数の個数: 24

約数和(自身を含む): 2774378880

約数和(自身を除く): 1453575020

約数列:

[1, 2, 4, 5, 10, 20, 6967, 9479, 13934, 18958, 27868, 34835, 37916, 47395, 69670, 94790, 139340, 189580, 66040193, 132080386, 264160772, 330200965, 660401930, 1320803860]

約数ペア:

[(1, 1320803860), (2, 660401930), (4, 330200965), (5, 264160772), (10, 132080386), (20, 66040193), (6967, 189580), (9479, 139340), (13934, 94790), (18958, 69670), (27868, 47395), (34835, 37916)]