20131320160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17974393}}^1$

素因数の和:17974415

約数の個数: 48

約数和(自身を含む): 54354567456

約数和(自身を除く): 34223247296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17974393, 35948786, 71897572, 89871965, 125820751, 143795144, 179743930, 251641502, 287590288, 359487860, 503283004, 575180576, 629103755, 718975720, 1006566008, 1258207510, 1437951440, 2013132016, 2516415020, 2875902880, 4026264032, 5032830040, 10065660080, 20131320160]

約数ペア:

[(1, 20131320160), (2, 10065660080), (4, 5032830040), (5, 4026264032), (7, 2875902880), (8, 2516415020), (10, 2013132016), (14, 1437951440), (16, 1258207510), (20, 1006566008), (28, 718975720), (32, 629103755), (35, 575180576), (40, 503283004), (56, 359487860), (70, 287590288), (80, 251641502), (112, 179743930), (140, 143795144), (160, 125820751), (224, 89871965), (280, 71897572), (560, 35948786), (1120, 17974393)]