4459280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{7963}}^1$

素因数の和:7983

約数の個数: 40

約数和(自身を含む): 11850432

約数和(自身を除く): 7391152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 7963, 15926, 31852, 39815, 55741, 63704, 79630, 111482, 127408, 159260, 222964, 278705, 318520, 445928, 557410, 637040, 891856, 1114820, 2229640, 4459280]

約数ペア:

[(1, 4459280), (2, 2229640), (4, 1114820), (5, 891856), (7, 637040), (8, 557410), (10, 445928), (14, 318520), (16, 278705), (20, 222964), (28, 159260), (35, 127408), (40, 111482), (56, 79630), (70, 63704), (80, 55741), (112, 39815), (140, 31852), (280, 15926), (560, 7963)]