3278080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 8498952

約数和(自身を除く): 5220872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 197, 208, 256, 260, 320, 394, 416, 520, 640, 788, 832, 985, 1040, 1280, 1576, 1664, 1970, 2080, 2561, 3152, 3328, 3940, 4160, 5122, 6304, 7880, 8320, 10244, 12608, 12805, 15760, 16640, 20488, 25216, 25610, 31520, 40976, 50432, 51220, 63040, 81952, 102440, 126080, 163904, 204880, 252160, 327808, 409760, 655616, 819520, 1639040, 3278080]

約数ペア:

[(1, 3278080), (2, 1639040), (4, 819520), (5, 655616), (8, 409760), (10, 327808), (13, 252160), (16, 204880), (20, 163904), (26, 126080), (32, 102440), (40, 81952), (52, 63040), (64, 51220), (65, 50432), (80, 40976), (104, 31520), (128, 25610), (130, 25216), (160, 20488), (197, 16640), (208, 15760), (256, 12805), (260, 12608), (320, 10244), (394, 8320), (416, 7880), (520, 6304), (640, 5122), (788, 4160), (832, 3940), (985, 3328), (1040, 3152), (1280, 2561), (1576, 2080), (1664, 1970)]