42615040

素因数分解:

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

素因数の和:244

約数の個数: 108

約数和(自身を含む): 111093444

約数和(自身を除く): 68478404

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 197, 208, 256, 260, 320, 338, 394, 416, 520, 640, 676, 788, 832, 845, 985, 1040, 1280, 1352, 1576, 1664, 1690, 1970, 2080, 2561, 2704, 3152, 3328, 3380, 3940, 4160, 5122, 5408, 6304, 6760, 7880, 8320, 10244, 10816, 12608, 12805, 13520, 15760, 16640, 20488, 21632, 25216, 25610, 27040, 31520, 33293, 40976, 43264, 50432, 51220, 54080, 63040, 66586, 81952, 102440, 108160, 126080, 133172, 163904, 166465, 204880, 216320, 252160, 266344, 327808, 332930, 409760, 532688, 655616, 665860, 819520, 1065376, 1331720, 1639040, 2130752, 2663440, 3278080, 4261504, 5326880, 8523008, 10653760, 21307520, 42615040]

約数ペア:

[(1, 42615040), (2, 21307520), (4, 10653760), (5, 8523008), (8, 5326880), (10, 4261504), (13, 3278080), (16, 2663440), (20, 2130752), (26, 1639040), (32, 1331720), (40, 1065376), (52, 819520), (64, 665860), (65, 655616), (80, 532688), (104, 409760), (128, 332930), (130, 327808), (160, 266344), (169, 252160), (197, 216320), (208, 204880), (256, 166465), (260, 163904), (320, 133172), (338, 126080), (394, 108160), (416, 102440), (520, 81952), (640, 66586), (676, 63040), (788, 54080), (832, 51220), (845, 50432), (985, 43264), (1040, 40976), (1280, 33293), (1352, 31520), (1576, 27040), (1664, 25610), (1690, 25216), (1970, 21632), (2080, 20488), (2561, 16640), (2704, 15760), (3152, 13520), (3328, 12805), (3380, 12608), (3940, 10816), (4160, 10244), (5122, 8320), (5408, 7880), (6304, 6760)]