20161173175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181919}}^1$

素因数の和:181984

約数の個数: 48

約数和(自身を含む): 30318059520

約数和(自身を除く): 10156886345

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 275, 325, 341, 403, 715, 775, 1705, 2015, 3575, 4433, 8525, 10075, 22165, 110825, 181919, 909595, 2001109, 2364947, 4547975, 5639489, 10005545, 11824735, 26014417, 28197445, 50027725, 59123675, 62034379, 73313357, 130072085, 140987225, 310171895, 366566785, 650360425, 806446927, 1550859475, 1832833925, 4032234635, 20161173175]

約数ペア:

[(1, 20161173175), (5, 4032234635), (11, 1832833925), (13, 1550859475), (25, 806446927), (31, 650360425), (55, 366566785), (65, 310171895), (143, 140987225), (155, 130072085), (275, 73313357), (325, 62034379), (341, 59123675), (403, 50027725), (715, 28197445), (775, 26014417), (1705, 11824735), (2015, 10005545), (3575, 5639489), (4433, 4547975), (8525, 2364947), (10075, 2001109), (22165, 909595), (110825, 181919)]