1320862750

素因数分解:

$2^1\times 5^3\times {\mathrm{1559}}^1\times {\mathrm{3389}}^1$

素因数の和:4965

約数の個数: 32

約数和(自身を含む): 2474971200

約数和(自身を除く): 1154108450

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 1559, 3118, 3389, 6778, 7795, 15590, 16945, 33890, 38975, 77950, 84725, 169450, 194875, 389750, 423625, 847250, 5283451, 10566902, 26417255, 52834510, 132086275, 264172550, 660431375, 1320862750]

約数ペア:

[(1, 1320862750), (2, 660431375), (5, 264172550), (10, 132086275), (25, 52834510), (50, 26417255), (125, 10566902), (250, 5283451), (1559, 847250), (3118, 423625), (3389, 389750), (6778, 194875), (7795, 169450), (15590, 84725), (16945, 77950), (33890, 38975)]