79640080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 202330800

約数和(自身を除く): 122690720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 949, 1040, 1049, 1168, 1460, 1898, 2098, 2920, 3796, 4196, 4745, 5245, 5840, 7592, 8392, 9490, 10490, 13637, 15184, 16784, 18980, 20980, 27274, 37960, 41960, 54548, 68185, 75920, 76577, 83920, 109096, 136370, 153154, 218192, 272740, 306308, 382885, 545480, 612616, 765770, 995501, 1090960, 1225232, 1531540, 1991002, 3063080, 3982004, 4977505, 6126160, 7964008, 9955010, 15928016, 19910020, 39820040, 79640080]

約数ペア:

[(1, 79640080), (2, 39820040), (4, 19910020), (5, 15928016), (8, 9955010), (10, 7964008), (13, 6126160), (16, 4977505), (20, 3982004), (26, 3063080), (40, 1991002), (52, 1531540), (65, 1225232), (73, 1090960), (80, 995501), (104, 765770), (130, 612616), (146, 545480), (208, 382885), (260, 306308), (292, 272740), (365, 218192), (520, 153154), (584, 136370), (730, 109096), (949, 83920), (1040, 76577), (1049, 75920), (1168, 68185), (1460, 54548), (1898, 41960), (2098, 37960), (2920, 27274), (3796, 20980), (4196, 18980), (4745, 16784), (5245, 15184), (5840, 13637), (7592, 10490), (8392, 9490)]