31462280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7351}}^1$

素因数の和:7469

約数の個数: 32

約数和(自身を含む): 71461440

約数和(自身を除く): 39999160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7351, 14702, 29404, 36755, 58808, 73510, 147020, 294040, 786557, 1573114, 3146228, 3932785, 6292456, 7865570, 15731140, 31462280]

約数ペア:

[(1, 31462280), (2, 15731140), (4, 7865570), (5, 6292456), (8, 3932785), (10, 3146228), (20, 1573114), (40, 786557), (107, 294040), (214, 147020), (428, 73510), (535, 58808), (856, 36755), (1070, 29404), (2140, 14702), (4280, 7351)]