20346518320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1\times {\mathrm{16033}}^1$

素因数の和:16622

約数の個数: 80

約数和(自身を含む): 49029406560

約数和(自身を除く): 28682888240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 547, 580, 1094, 1160, 2188, 2320, 2735, 4376, 5470, 8752, 10940, 15863, 16033, 21880, 31726, 32066, 43760, 63452, 64132, 79315, 80165, 126904, 128264, 158630, 160330, 253808, 256528, 317260, 320660, 464957, 634520, 641320, 929914, 1269040, 1282640, 1859828, 2324785, 3719656, 4649570, 7439312, 8770051, 9299140, 17540102, 18598280, 35080204, 37196560, 43850255, 70160408, 87700510, 140320816, 175401020, 254331479, 350802040, 508662958, 701604080, 1017325916, 1271657395, 2034651832, 2543314790, 4069303664, 5086629580, 10173259160, 20346518320]

約数ペア:

[(1, 20346518320), (2, 10173259160), (4, 5086629580), (5, 4069303664), (8, 2543314790), (10, 2034651832), (16, 1271657395), (20, 1017325916), (29, 701604080), (40, 508662958), (58, 350802040), (80, 254331479), (116, 175401020), (145, 140320816), (232, 87700510), (290, 70160408), (464, 43850255), (547, 37196560), (580, 35080204), (1094, 18598280), (1160, 17540102), (2188, 9299140), (2320, 8770051), (2735, 7439312), (4376, 4649570), (5470, 3719656), (8752, 2324785), (10940, 1859828), (15863, 1282640), (16033, 1269040), (21880, 929914), (31726, 641320), (32066, 634520), (43760, 464957), (63452, 320660), (64132, 317260), (79315, 256528), (80165, 253808), (126904, 160330), (128264, 158630)]