28197280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42564320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 80, 103, 116, 118, 145, 160, 206, 232, 236, 290, 295, 412, 464, 472, 515, 580, 590, 824, 928, 944, 1030, 1160, 1180, 1648, 1711, 1888, 2060, 2320, 2360, 2987, 3296, 3422, 4120, 4640, 4720, 5974, 6077, 6844, 8240, 8555, 9440, 11948, 12154, 13688, 14935, 16480, 17110, 23896, 24308, 27376, 29870, 30385, 34220, 47792, 48616, 54752, 59740, 60770, 68440, 95584, 97232, 119480, 121540, 136880, 176233, 194464, 238960, 243080, 273760, 352466, 477920, 486160, 704932, 881165, 972320, 1409864, 1762330, 2819728, 3524660, 5639456, 7049320, 14098640, 28197280]

約数ペア:

[(1, 28197280), (2, 14098640), (4, 7049320), (5, 5639456), (8, 3524660), (10, 2819728), (16, 1762330), (20, 1409864), (29, 972320), (32, 881165), (40, 704932), (58, 486160), (59, 477920), (80, 352466), (103, 273760), (116, 243080), (118, 238960), (145, 194464), (160, 176233), (206, 136880), (232, 121540), (236, 119480), (290, 97232), (295, 95584), (412, 68440), (464, 60770), (472, 59740), (515, 54752), (580, 48616), (590, 47792), (824, 34220), (928, 30385), (944, 29870), (1030, 27376), (1160, 24308), (1180, 23896), (1648, 17110), (1711, 16480), (1888, 14935), (2060, 13688), (2320, 12154), (2360, 11948), (2987, 9440), (3296, 8555), (3422, 8240), (4120, 6844), (4640, 6077), (4720, 5974)]