65678080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3981

約数の個数: 72

約数和(自身を含む): 169463952

約数和(自身を除く): 103785872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 3947, 4160, 7894, 8320, 15788, 16640, 19735, 31576, 39470, 51311, 63152, 78940, 102622, 126304, 157880, 205244, 252608, 256555, 315760, 410488, 505216, 513110, 631520, 820976, 1010432, 1026220, 1263040, 1641952, 2052440, 2526080, 3283904, 4104880, 5052160, 6567808, 8209760, 13135616, 16419520, 32839040, 65678080]

約数ペア:

[(1, 65678080), (2, 32839040), (4, 16419520), (5, 13135616), (8, 8209760), (10, 6567808), (13, 5052160), (16, 4104880), (20, 3283904), (26, 2526080), (32, 2052440), (40, 1641952), (52, 1263040), (64, 1026220), (65, 1010432), (80, 820976), (104, 631520), (128, 513110), (130, 505216), (160, 410488), (208, 315760), (256, 256555), (260, 252608), (320, 205244), (416, 157880), (520, 126304), (640, 102622), (832, 78940), (1040, 63152), (1280, 51311), (1664, 39470), (2080, 31576), (3328, 19735), (3947, 16640), (4160, 15788), (7894, 8320)]