66621280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37853}}^1$

素因数の和:37879

約数の個数: 48

約数和(自身を含む): 171705744

約数和(自身を除く): 105084464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 37853, 75706, 151412, 189265, 302824, 378530, 416383, 605648, 757060, 832766, 1211296, 1514120, 1665532, 2081915, 3028240, 3331064, 4163830, 6056480, 6662128, 8327660, 13324256, 16655320, 33310640, 66621280]

約数ペア:

[(1, 66621280), (2, 33310640), (4, 16655320), (5, 13324256), (8, 8327660), (10, 6662128), (11, 6056480), (16, 4163830), (20, 3331064), (22, 3028240), (32, 2081915), (40, 1665532), (44, 1514120), (55, 1211296), (80, 832766), (88, 757060), (110, 605648), (160, 416383), (176, 378530), (220, 302824), (352, 189265), (440, 151412), (880, 75706), (1760, 37853)]