54373880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 79995400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 647, 764, 955, 1294, 1528, 1910, 2101, 2588, 3235, 3820, 4202, 5176, 6470, 7117, 7640, 8404, 10505, 12940, 14234, 16808, 21010, 25880, 28468, 35585, 42020, 56936, 71170, 84040, 123577, 142340, 247154, 284680, 494308, 617885, 988616, 1235770, 1359347, 2471540, 2718694, 4943080, 5437388, 6796735, 10874776, 13593470, 27186940, 54373880]

約数ペア:

[(1, 54373880), (2, 27186940), (4, 13593470), (5, 10874776), (8, 6796735), (10, 5437388), (11, 4943080), (20, 2718694), (22, 2471540), (40, 1359347), (44, 1235770), (55, 988616), (88, 617885), (110, 494308), (191, 284680), (220, 247154), (382, 142340), (440, 123577), (647, 84040), (764, 71170), (955, 56936), (1294, 42020), (1528, 35585), (1910, 28468), (2101, 25880), (2588, 21010), (3235, 16808), (3820, 14234), (4202, 12940), (5176, 10505), (6470, 8404), (7117, 7640)]