20050483750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{8429}}^1$

素因数の和:8635

約数の個数: 80

約数和(自身を含む): 41241111120

約数和(自身を除く): 21190627370

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 173, 250, 275, 346, 550, 625, 865, 1250, 1375, 1730, 1903, 2750, 3806, 4325, 6875, 8429, 8650, 9515, 13750, 16858, 19030, 21625, 42145, 43250, 47575, 84290, 92719, 95150, 108125, 185438, 210725, 216250, 237875, 421450, 463595, 475750, 927190, 1053625, 1189375, 1458217, 2107250, 2317975, 2378750, 2916434, 4635950, 5268125, 7291085, 10536250, 11589875, 14582170, 16040387, 23179750, 32080774, 36455425, 57949375, 72910850, 80201935, 115898750, 160403870, 182277125, 364554250, 401009675, 802019350, 911385625, 1822771250, 2005048375, 4010096750, 10025241875, 20050483750]

約数ペア:

[(1, 20050483750), (2, 10025241875), (5, 4010096750), (10, 2005048375), (11, 1822771250), (22, 911385625), (25, 802019350), (50, 401009675), (55, 364554250), (110, 182277125), (125, 160403870), (173, 115898750), (250, 80201935), (275, 72910850), (346, 57949375), (550, 36455425), (625, 32080774), (865, 23179750), (1250, 16040387), (1375, 14582170), (1730, 11589875), (1903, 10536250), (2750, 7291085), (3806, 5268125), (4325, 4635950), (6875, 2916434), (8429, 2378750), (8650, 2317975), (9515, 2107250), (13750, 1458217), (16858, 1189375), (19030, 1053625), (21625, 927190), (42145, 475750), (43250, 463595), (47575, 421450), (84290, 237875), (92719, 216250), (95150, 210725), (108125, 185438)]