66825880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13807}}^1$

素因数の和:13840

約数の個数: 48

約数和(自身を含む): 165281760

約数和(自身を除く): 98455880

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, 13807, 27614, 55228, 69035, 110456, 138070, 151877, 276140, 303754, 552280, 607508, 759385, 1215016, 1518770, 1670647, 3037540, 3341294, 6075080, 6682588, 8353235, 13365176, 16706470, 33412940, 66825880]

約数ペア:

[(1, 66825880), (2, 33412940), (4, 16706470), (5, 13365176), (8, 8353235), (10, 6682588), (11, 6075080), (20, 3341294), (22, 3037540), (40, 1670647), (44, 1518770), (55, 1215016), (88, 759385), (110, 607508), (121, 552280), (220, 303754), (242, 276140), (440, 151877), (484, 138070), (605, 110456), (968, 69035), (1210, 55228), (2420, 27614), (4840, 13807)]