25372760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90617}}^1$

素因数の和:90635

約数の個数: 32

約数和(自身を含む): 65244960

約数和(自身を除く): 39872200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90617, 181234, 362468, 453085, 634319, 724936, 906170, 1268638, 1812340, 2537276, 3171595, 3624680, 5074552, 6343190, 12686380, 25372760]

約数ペア:

[(1, 25372760), (2, 12686380), (4, 6343190), (5, 5074552), (7, 3624680), (8, 3171595), (10, 2537276), (14, 1812340), (20, 1268638), (28, 906170), (35, 724936), (40, 634319), (56, 453085), (70, 362468), (140, 181234), (280, 90617)]