25465880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 64558080

約数和(自身を除く): 39092200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 1867, 2728, 3410, 3734, 6820, 7468, 9335, 13640, 14936, 18670, 20537, 37340, 41074, 57877, 74680, 82148, 102685, 115754, 164296, 205370, 231508, 289385, 410740, 463016, 578770, 636647, 821480, 1157540, 1273294, 2315080, 2546588, 3183235, 5093176, 6366470, 12732940, 25465880]

約数ペア:

[(1, 25465880), (2, 12732940), (4, 6366470), (5, 5093176), (8, 3183235), (10, 2546588), (11, 2315080), (20, 1273294), (22, 1157540), (31, 821480), (40, 636647), (44, 578770), (55, 463016), (62, 410740), (88, 289385), (110, 231508), (124, 205370), (155, 164296), (220, 115754), (248, 102685), (310, 82148), (341, 74680), (440, 57877), (620, 41074), (682, 37340), (1240, 20537), (1364, 18670), (1705, 14936), (1867, 13640), (2728, 9335), (3410, 7468), (3734, 6820)]