2181920

素因数分解:

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

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 5556600

約数和(自身を除く): 3374680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1049, 2080, 2098, 4196, 5245, 8392, 10490, 13637, 16784, 20980, 27274, 33568, 41960, 54548, 68185, 83920, 109096, 136370, 167840, 218192, 272740, 436384, 545480, 1090960, 2181920]

約数ペア:

[(1, 2181920), (2, 1090960), (4, 545480), (5, 436384), (8, 272740), (10, 218192), (13, 167840), (16, 136370), (20, 109096), (26, 83920), (32, 68185), (40, 54548), (52, 41960), (65, 33568), (80, 27274), (104, 20980), (130, 16784), (160, 13637), (208, 10490), (260, 8392), (416, 5245), (520, 4196), (1040, 2098), (1049, 2080)]