15556240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{27779}}^1$

素因数の和:27799

約数の個数: 40

約数和(自身を含む): 41336640

約数和(自身を除く): 25780400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 27779, 55558, 111116, 138895, 194453, 222232, 277790, 388906, 444464, 555580, 777812, 972265, 1111160, 1555624, 1944530, 2222320, 3111248, 3889060, 7778120, 15556240]

約数ペア:

[(1, 15556240), (2, 7778120), (4, 3889060), (5, 3111248), (7, 2222320), (8, 1944530), (10, 1555624), (14, 1111160), (16, 972265), (20, 777812), (28, 555580), (35, 444464), (40, 388906), (56, 277790), (70, 222232), (80, 194453), (112, 138895), (140, 111116), (280, 55558), (560, 27779)]