6564500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 15113280

約数和(自身を除く): 8548780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 691, 950, 1382, 1900, 2375, 2764, 3455, 4750, 6910, 9500, 13129, 13820, 17275, 26258, 34550, 52516, 65645, 69100, 86375, 131290, 172750, 262580, 328225, 345500, 656450, 1312900, 1641125, 3282250, 6564500]

約数ペア:

[(1, 6564500), (2, 3282250), (4, 1641125), (5, 1312900), (10, 656450), (19, 345500), (20, 328225), (25, 262580), (38, 172750), (50, 131290), (76, 86375), (95, 69100), (100, 65645), (125, 52516), (190, 34550), (250, 26258), (380, 17275), (475, 13820), (500, 13129), (691, 9500), (950, 6910), (1382, 4750), (1900, 3455), (2375, 2764)]