57214540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32143}}^1$

素因数の和:32241

約数の個数: 24

約数和(自身を含む): 121504320

約数和(自身を除く): 64289780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 32143, 64286, 128572, 160715, 321430, 642860, 2860727, 5721454, 11442908, 14303635, 28607270, 57214540]

約数ペア:

[(1, 57214540), (2, 28607270), (4, 14303635), (5, 11442908), (10, 5721454), (20, 2860727), (89, 642860), (178, 321430), (356, 160715), (445, 128572), (890, 64286), (1780, 32143)]