51012280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 75062600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 607, 764, 955, 1214, 1528, 1910, 2101, 2428, 3035, 3820, 4202, 4856, 6070, 6677, 7640, 8404, 10505, 12140, 13354, 16808, 21010, 24280, 26708, 33385, 42020, 53416, 66770, 84040, 115937, 133540, 231874, 267080, 463748, 579685, 927496, 1159370, 1275307, 2318740, 2550614, 4637480, 5101228, 6376535, 10202456, 12753070, 25506140, 51012280]

約数ペア:

[(1, 51012280), (2, 25506140), (4, 12753070), (5, 10202456), (8, 6376535), (10, 5101228), (11, 4637480), (20, 2550614), (22, 2318740), (40, 1275307), (44, 1159370), (55, 927496), (88, 579685), (110, 463748), (191, 267080), (220, 231874), (382, 133540), (440, 115937), (607, 84040), (764, 66770), (955, 53416), (1214, 42020), (1528, 33385), (1910, 26708), (2101, 24280), (2428, 21010), (3035, 16808), (3820, 13354), (4202, 12140), (4856, 10505), (6070, 8404), (6677, 7640)]