8727680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1081

約数の個数: 64

約数和(自身を含む): 22491000

約数和(自身を除く): 13763320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1049, 1664, 2080, 2098, 4160, 4196, 5245, 8320, 8392, 10490, 13637, 16784, 20980, 27274, 33568, 41960, 54548, 67136, 68185, 83920, 109096, 134272, 136370, 167840, 218192, 272740, 335680, 436384, 545480, 671360, 872768, 1090960, 1745536, 2181920, 4363840, 8727680]

約数ペア:

[(1, 8727680), (2, 4363840), (4, 2181920), (5, 1745536), (8, 1090960), (10, 872768), (13, 671360), (16, 545480), (20, 436384), (26, 335680), (32, 272740), (40, 218192), (52, 167840), (64, 136370), (65, 134272), (80, 109096), (104, 83920), (128, 68185), (130, 67136), (160, 54548), (208, 41960), (260, 33568), (320, 27274), (416, 20980), (520, 16784), (640, 13637), (832, 10490), (1040, 8392), (1049, 8320), (1664, 5245), (2080, 4196), (2098, 4160)]