20171463860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1\times {\mathrm{5023}}^1$

素因数の和:6240

約数の個数: 48

約数和(自身を含む): 42623616000

約数和(自身を除く): 22452152140

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1009, 1990, 2018, 3980, 4036, 5023, 5045, 10046, 10090, 20092, 20180, 25115, 50230, 100460, 200791, 401582, 803164, 999577, 1003955, 1999154, 2007910, 3998308, 4015820, 4997885, 5068207, 9995770, 10136414, 19991540, 20272828, 25341035, 50682070, 101364140, 1008573193, 2017146386, 4034292772, 5042865965, 10085731930, 20171463860]

約数ペア:

[(1, 20171463860), (2, 10085731930), (4, 5042865965), (5, 4034292772), (10, 2017146386), (20, 1008573193), (199, 101364140), (398, 50682070), (796, 25341035), (995, 20272828), (1009, 19991540), (1990, 10136414), (2018, 9995770), (3980, 5068207), (4036, 4997885), (5023, 4015820), (5045, 3998308), (10046, 2007910), (10090, 1999154), (20092, 1003955), (20180, 999577), (25115, 803164), (50230, 401582), (100460, 200791)]