28162480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 69192000

約数和(自身を除く): 41029520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 199, 232, 244, 290, 305, 398, 464, 488, 580, 610, 796, 976, 995, 1160, 1220, 1592, 1769, 1990, 2320, 2440, 3184, 3538, 3980, 4880, 5771, 7076, 7960, 8845, 11542, 12139, 14152, 15920, 17690, 23084, 24278, 28304, 28855, 35380, 46168, 48556, 57710, 60695, 70760, 92336, 97112, 115420, 121390, 141520, 194224, 230840, 242780, 352031, 461680, 485560, 704062, 971120, 1408124, 1760155, 2816248, 3520310, 5632496, 7040620, 14081240, 28162480]

約数ペア:

[(1, 28162480), (2, 14081240), (4, 7040620), (5, 5632496), (8, 3520310), (10, 2816248), (16, 1760155), (20, 1408124), (29, 971120), (40, 704062), (58, 485560), (61, 461680), (80, 352031), (116, 242780), (122, 230840), (145, 194224), (199, 141520), (232, 121390), (244, 115420), (290, 97112), (305, 92336), (398, 70760), (464, 60695), (488, 57710), (580, 48556), (610, 46168), (796, 35380), (976, 28855), (995, 28304), (1160, 24278), (1220, 23084), (1592, 17690), (1769, 15920), (1990, 14152), (2320, 12139), (2440, 11542), (3184, 8845), (3538, 7960), (3980, 7076), (4880, 5771)]