66610280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3290

約数の個数: 64

約数和(自身を含む): 167028480

約数和(自身を除く): 100418200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 3221, 4136, 5170, 6442, 10340, 12884, 16105, 20680, 25768, 32210, 35431, 64420, 70862, 128840, 141724, 151387, 177155, 283448, 302774, 354310, 605548, 708620, 756935, 1211096, 1417240, 1513870, 1665257, 3027740, 3330514, 6055480, 6661028, 8326285, 13322056, 16652570, 33305140, 66610280]

約数ペア:

[(1, 66610280), (2, 33305140), (4, 16652570), (5, 13322056), (8, 8326285), (10, 6661028), (11, 6055480), (20, 3330514), (22, 3027740), (40, 1665257), (44, 1513870), (47, 1417240), (55, 1211096), (88, 756935), (94, 708620), (110, 605548), (188, 354310), (220, 302774), (235, 283448), (376, 177155), (440, 151387), (470, 141724), (517, 128840), (940, 70862), (1034, 64420), (1880, 35431), (2068, 32210), (2585, 25768), (3221, 20680), (4136, 16105), (5170, 12884), (6442, 10340)]