20162416520

素因数分解:

$2^3\times 5^1\times {\mathrm{12541}}^1\times {\mathrm{40193}}^1$

素因数の和:52745

約数の個数: 32

約数和(自身を含む): 45370183320

約数和(自身を除く): 25207766800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12541, 25082, 40193, 50164, 62705, 80386, 100328, 125410, 160772, 200965, 250820, 321544, 401930, 501640, 803860, 1607720, 504060413, 1008120826, 2016241652, 2520302065, 4032483304, 5040604130, 10081208260, 20162416520]

約数ペア:

[(1, 20162416520), (2, 10081208260), (4, 5040604130), (5, 4032483304), (8, 2520302065), (10, 2016241652), (20, 1008120826), (40, 504060413), (12541, 1607720), (25082, 803860), (40193, 501640), (50164, 401930), (62705, 321544), (80386, 250820), (100328, 200965), (125410, 160772)]