78952240

素因数分解:

$2^4\times 5^1\times {\mathrm{986903}}^1$

素因数の和:986916

約数の個数: 20

約数和(自身を含む): 183564144

約数和(自身を除く): 104611904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986903, 1973806, 3947612, 4934515, 7895224, 9869030, 15790448, 19738060, 39476120, 78952240]

約数ペア:

[(1, 78952240), (2, 39476120), (4, 19738060), (5, 15790448), (8, 9869030), (10, 7895224), (16, 4934515), (20, 3947612), (40, 1973806), (80, 986903)]