2005200725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1123}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 2796440064

約数和(自身を除く): 791239339

約数列:

[1, 5, 11, 25, 43, 55, 151, 215, 275, 473, 755, 1075, 1123, 1661, 2365, 3775, 5615, 6493, 8305, 11825, 12353, 28075, 32465, 41525, 48289, 61765, 71423, 162325, 169573, 241445, 308825, 357115, 531179, 847865, 1207225, 1785575, 1865303, 2655895, 4239325, 7291639, 9326515, 13279475, 36458195, 46632575, 80208029, 182290975, 401040145, 2005200725]

約数ペア:

[(1, 2005200725), (5, 401040145), (11, 182290975), (25, 80208029), (43, 46632575), (55, 36458195), (151, 13279475), (215, 9326515), (275, 7291639), (473, 4239325), (755, 2655895), (1075, 1865303), (1123, 1785575), (1661, 1207225), (2365, 847865), (3775, 531179), (5615, 357115), (6493, 308825), (8305, 241445), (11825, 169573), (12353, 162325), (28075, 71423), (32465, 61765), (41525, 48289)]