71053640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{253763}}^1$

素因数の和:253781

約数の個数: 32

約数和(自身を含む): 182710080

約数和(自身を除く): 111656440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 253763, 507526, 1015052, 1268815, 1776341, 2030104, 2537630, 3552682, 5075260, 7105364, 8881705, 10150520, 14210728, 17763410, 35526820, 71053640]

約数ペア:

[(1, 71053640), (2, 35526820), (4, 17763410), (5, 14210728), (7, 10150520), (8, 8881705), (10, 7105364), (14, 5075260), (20, 3552682), (28, 2537630), (35, 2030104), (40, 1776341), (56, 1268815), (70, 1015052), (140, 507526), (280, 253763)]