28399360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2017}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 74246256

約数和(自身を除く): 45846896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2017, 2816, 3520, 4034, 7040, 8068, 10085, 14080, 16136, 20170, 22187, 32272, 40340, 44374, 64544, 80680, 88748, 110935, 129088, 161360, 177496, 221870, 258176, 322720, 354992, 443740, 516352, 645440, 709984, 887480, 1290880, 1419968, 1774960, 2581760, 2839936, 3549920, 5679872, 7099840, 14199680, 28399360]

約数ペア:

[(1, 28399360), (2, 14199680), (4, 7099840), (5, 5679872), (8, 3549920), (10, 2839936), (11, 2581760), (16, 1774960), (20, 1419968), (22, 1290880), (32, 887480), (40, 709984), (44, 645440), (55, 516352), (64, 443740), (80, 354992), (88, 322720), (110, 258176), (128, 221870), (160, 177496), (176, 161360), (220, 129088), (256, 110935), (320, 88748), (352, 80680), (440, 64544), (640, 44374), (704, 40340), (880, 32272), (1280, 22187), (1408, 20170), (1760, 16136), (2017, 14080), (2816, 10085), (3520, 8068), (4034, 7040)]