6491000

素因数分解:

$2^3\times 5^3\times {\mathrm{6491}}^1$

素因数の和:6512

約数の個数: 32

約数和(自身を含む): 15191280

約数和(自身を除く): 8700280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 6491, 12982, 25964, 32455, 51928, 64910, 129820, 162275, 259640, 324550, 649100, 811375, 1298200, 1622750, 3245500, 6491000]

約数ペア:

[(1, 6491000), (2, 3245500), (4, 1622750), (5, 1298200), (8, 811375), (10, 649100), (20, 324550), (25, 259640), (40, 162275), (50, 129820), (100, 64910), (125, 51928), (200, 32455), (250, 25964), (500, 12982), (1000, 6491)]