1298200

素因数分解:

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

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 3018780

約数和(自身を除く): 1720580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 6491, 12982, 25964, 32455, 51928, 64910, 129820, 162275, 259640, 324550, 649100, 1298200]

約数ペア:

[(1, 1298200), (2, 649100), (4, 324550), (5, 259640), (8, 162275), (10, 129820), (20, 64910), (25, 51928), (40, 32455), (50, 25964), (100, 12982), (200, 6491)]