56643280

素因数分解:

$2^4\times 5^1\times {\mathrm{708041}}^1$

素因数の和:708054

約数の個数: 20

約数和(自身を含む): 131695812

約数和(自身を除く): 75052532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 708041, 1416082, 2832164, 3540205, 5664328, 7080410, 11328656, 14160820, 28321640, 56643280]

約数ペア:

[(1, 56643280), (2, 28321640), (4, 14160820), (5, 11328656), (8, 7080410), (10, 5664328), (16, 3540205), (20, 2832164), (40, 1416082), (80, 708041)]