131576360

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{13649}}^1$

素因数の和:13901

約数の個数: 32

約数和(自身を含む): 297297000

約数和(自身を除く): 165720640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 13649, 27298, 54596, 68245, 109192, 136490, 272980, 545960, 3289409, 6578818, 13157636, 16447045, 26315272, 32894090, 65788180, 131576360]

約数ペア:

[(1, 131576360), (2, 65788180), (4, 32894090), (5, 26315272), (8, 16447045), (10, 13157636), (20, 6578818), (40, 3289409), (241, 545960), (482, 272980), (964, 136490), (1205, 109192), (1928, 68245), (2410, 54596), (4820, 27298), (9640, 13649)]