1888654820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{10103}}^1$

素因数の和:10844

約数の個数: 48

約数和(自身を含む): 4277629440

約数和(自身を除く): 2388974620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 719, 1438, 2876, 3595, 7190, 9347, 10103, 14380, 18694, 20206, 37388, 40412, 46735, 50515, 93470, 101030, 131339, 186940, 202060, 262678, 525356, 656695, 1313390, 2626780, 7264057, 14528114, 29056228, 36320285, 72640570, 94432741, 145281140, 188865482, 377730964, 472163705, 944327410, 1888654820]

約数ペア:

[(1, 1888654820), (2, 944327410), (4, 472163705), (5, 377730964), (10, 188865482), (13, 145281140), (20, 94432741), (26, 72640570), (52, 36320285), (65, 29056228), (130, 14528114), (260, 7264057), (719, 2626780), (1438, 1313390), (2876, 656695), (3595, 525356), (7190, 262678), (9347, 202060), (10103, 186940), (14380, 131339), (18694, 101030), (20206, 93470), (37388, 50515), (40412, 46735)]