20163690080

素因数分解:

$2^5\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{70919}}^1$

素因数の和:72711

約数の個数: 48

約数和(自身を含む): 47664197280

約数和(自身を除く): 27500507200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1777, 3554, 7108, 8885, 14216, 17770, 28432, 35540, 56864, 70919, 71080, 141838, 142160, 283676, 284320, 354595, 567352, 709190, 1134704, 1418380, 2269408, 2836760, 5673520, 11347040, 126023063, 252046126, 504092252, 630115315, 1008184504, 1260230630, 2016369008, 2520461260, 4032738016, 5040922520, 10081845040, 20163690080]

約数ペア:

[(1, 20163690080), (2, 10081845040), (4, 5040922520), (5, 4032738016), (8, 2520461260), (10, 2016369008), (16, 1260230630), (20, 1008184504), (32, 630115315), (40, 504092252), (80, 252046126), (160, 126023063), (1777, 11347040), (3554, 5673520), (7108, 2836760), (8885, 2269408), (14216, 1418380), (17770, 1134704), (28432, 709190), (35540, 567352), (56864, 354595), (70919, 284320), (71080, 283676), (141838, 142160)]