66738760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13789}}^1$

素因数の和:13822

約数の個数: 48

約数和(自身を含む): 165066300

約数和(自身を除く): 98327540

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13789, 27578, 55156, 68945, 110312, 137890, 151679, 275780, 303358, 551560, 606716, 758395, 1213432, 1516790, 1668469, 3033580, 3336938, 6067160, 6673876, 8342345, 13347752, 16684690, 33369380, 66738760]

約数ペア:

[(1, 66738760), (2, 33369380), (4, 16684690), (5, 13347752), (8, 8342345), (10, 6673876), (11, 6067160), (20, 3336938), (22, 3033580), (40, 1668469), (44, 1516790), (55, 1213432), (88, 758395), (110, 606716), (121, 551560), (220, 303358), (242, 275780), (440, 151679), (484, 137890), (605, 110312), (968, 68945), (1210, 55156), (2420, 27578), (4840, 13789)]