2012086940

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{258623}}^1$

素因数の和:259021

約数の個数: 24

約数和(自身を含む): 4236261120

約数和(自身を除く): 2224174180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 258623, 517246, 1034492, 1293115, 2586230, 5172460, 100604347, 201208694, 402417388, 503021735, 1006043470, 2012086940]

約数ペア:

[(1, 2012086940), (2, 1006043470), (4, 503021735), (5, 402417388), (10, 201208694), (20, 100604347), (389, 5172460), (778, 2586230), (1556, 1293115), (1945, 1034492), (3890, 517246), (7780, 258623)]