20089964080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{17489}}^1$

素因数の和:17758

約数の個数: 80

約数和(自身を含む): 47547894240

約数和(自身を除く): 27457930160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 173, 332, 346, 415, 664, 692, 830, 865, 1328, 1384, 1660, 1730, 2768, 3320, 3460, 6640, 6920, 13840, 14359, 17489, 28718, 34978, 57436, 69956, 71795, 87445, 114872, 139912, 143590, 174890, 229744, 279824, 287180, 349780, 574360, 699560, 1148720, 1399120, 1451587, 2903174, 3025597, 5806348, 6051194, 7257935, 11612696, 12102388, 14515870, 15127985, 23225392, 24204776, 29031740, 30255970, 48409552, 58063480, 60511940, 116126960, 121023880, 242047760, 251124551, 502249102, 1004498204, 1255622755, 2008996408, 2511245510, 4017992816, 5022491020, 10044982040, 20089964080]

約数ペア:

[(1, 20089964080), (2, 10044982040), (4, 5022491020), (5, 4017992816), (8, 2511245510), (10, 2008996408), (16, 1255622755), (20, 1004498204), (40, 502249102), (80, 251124551), (83, 242047760), (166, 121023880), (173, 116126960), (332, 60511940), (346, 58063480), (415, 48409552), (664, 30255970), (692, 29031740), (830, 24204776), (865, 23225392), (1328, 15127985), (1384, 14515870), (1660, 12102388), (1730, 11612696), (2768, 7257935), (3320, 6051194), (3460, 5806348), (6640, 3025597), (6920, 2903174), (13840, 1451587), (14359, 1399120), (17489, 1148720), (28718, 699560), (34978, 574360), (57436, 349780), (69956, 287180), (71795, 279824), (87445, 229744), (114872, 174890), (139912, 143590)]