11354320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 26784000

約数和(自身を除く): 15429680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1999, 2840, 3998, 5680, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 141929, 159920, 283858, 567716, 709645, 1135432, 1419290, 2270864, 2838580, 5677160, 11354320]

約数ペア:

[(1, 11354320), (2, 5677160), (4, 2838580), (5, 2270864), (8, 1419290), (10, 1135432), (16, 709645), (20, 567716), (40, 283858), (71, 159920), (80, 141929), (142, 79960), (284, 39980), (355, 31984), (568, 19990), (710, 15992), (1136, 9995), (1420, 7996), (1999, 5680), (2840, 3998)]