8455480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1747}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 20923560

約数和(自身を除く): 12468080

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, 1747, 2420, 3494, 4840, 6988, 8735, 13976, 17470, 19217, 34940, 38434, 69880, 76868, 96085, 153736, 192170, 211387, 384340, 422774, 768680, 845548, 1056935, 1691096, 2113870, 4227740, 8455480]

約数ペア:

[(1, 8455480), (2, 4227740), (4, 2113870), (5, 1691096), (8, 1056935), (10, 845548), (11, 768680), (20, 422774), (22, 384340), (40, 211387), (44, 192170), (55, 153736), (88, 96085), (110, 76868), (121, 69880), (220, 38434), (242, 34940), (440, 19217), (484, 17470), (605, 13976), (968, 8735), (1210, 6988), (1747, 4840), (2420, 3494)]