13408158320

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{5167}}^1$

素因数の和:5542

約数の個数: 80

約数和(自身を含む): 31528934400

約数和(自身を除く): 18120776080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 199, 326, 398, 652, 796, 815, 995, 1304, 1592, 1630, 1990, 2608, 3184, 3260, 3980, 5167, 6520, 7960, 10334, 13040, 15920, 20668, 25835, 32437, 41336, 51670, 64874, 82672, 103340, 129748, 162185, 206680, 259496, 324370, 413360, 518992, 648740, 842221, 1028233, 1297480, 1684442, 2056466, 2594960, 3368884, 4112932, 4211105, 5141165, 6737768, 8225864, 8422210, 10282330, 13475536, 16451728, 16844420, 20564660, 33688840, 41129320, 67377680, 82258640, 167601979, 335203958, 670407916, 838009895, 1340815832, 1676019790, 2681631664, 3352039580, 6704079160, 13408158320]

約数ペア:

[(1, 13408158320), (2, 6704079160), (4, 3352039580), (5, 2681631664), (8, 1676019790), (10, 1340815832), (16, 838009895), (20, 670407916), (40, 335203958), (80, 167601979), (163, 82258640), (199, 67377680), (326, 41129320), (398, 33688840), (652, 20564660), (796, 16844420), (815, 16451728), (995, 13475536), (1304, 10282330), (1592, 8422210), (1630, 8225864), (1990, 6737768), (2608, 5141165), (3184, 4211105), (3260, 4112932), (3980, 3368884), (5167, 2594960), (6520, 2056466), (7960, 1684442), (10334, 1297480), (13040, 1028233), (15920, 842221), (20668, 648740), (25835, 518992), (32437, 413360), (41336, 324370), (51670, 259496), (64874, 206680), (82672, 162185), (103340, 129748)]