40712240

素因数分解:

$2^4\times 5^1\times {\mathrm{508903}}^1$

素因数の和:508916

約数の個数: 20

約数和(自身を含む): 94656144

約数和(自身を除く): 53943904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508903, 1017806, 2035612, 2544515, 4071224, 5089030, 8142448, 10178060, 20356120, 40712240]

約数ペア:

[(1, 40712240), (2, 20356120), (4, 10178060), (5, 8142448), (8, 5089030), (10, 4071224), (16, 2544515), (20, 2035612), (40, 1017806), (80, 508903)]