40527440

素因数分解:

$2^4\times 5^1\times {\mathrm{506593}}^1$

素因数の和:506606

約数の個数: 20

約数和(自身を含む): 94226484

約数和(自身を除く): 53699044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506593, 1013186, 2026372, 2532965, 4052744, 5065930, 8105488, 10131860, 20263720, 40527440]

約数ペア:

[(1, 40527440), (2, 20263720), (4, 10131860), (5, 8105488), (8, 5065930), (10, 4052744), (16, 2532965), (20, 2026372), (40, 1013186), (80, 506593)]