68317580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{16189}}^1$

素因数の和:16409

約数の個数: 24

約数和(自身を含む): 144155760

約数和(自身を除く): 75838180

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 16189, 32378, 64756, 80945, 161890, 323780, 3415879, 6831758, 13663516, 17079395, 34158790, 68317580]

約数ペア:

[(1, 68317580), (2, 34158790), (4, 17079395), (5, 13663516), (10, 6831758), (20, 3415879), (211, 323780), (422, 161890), (844, 80945), (1055, 64756), (2110, 32378), (4220, 16189)]