12550000

素因数分解:

$2^4\times 5^5\times {\mathrm{251}}^1$

素因数の和:284

約数の個数: 60

約数和(自身を含む): 30513672

約数和(自身を除く): 17963672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 251, 400, 500, 502, 625, 1000, 1004, 1250, 1255, 2000, 2008, 2500, 2510, 3125, 4016, 5000, 5020, 6250, 6275, 10000, 10040, 12500, 12550, 20080, 25000, 25100, 31375, 50000, 50200, 62750, 100400, 125500, 156875, 251000, 313750, 502000, 627500, 784375, 1255000, 1568750, 2510000, 3137500, 6275000, 12550000]

約数ペア:

[(1, 12550000), (2, 6275000), (4, 3137500), (5, 2510000), (8, 1568750), (10, 1255000), (16, 784375), (20, 627500), (25, 502000), (40, 313750), (50, 251000), (80, 156875), (100, 125500), (125, 100400), (200, 62750), (250, 50200), (251, 50000), (400, 31375), (500, 25100), (502, 25000), (625, 20080), (1000, 12550), (1004, 12500), (1250, 10040), (1255, 10000), (2000, 6275), (2008, 6250), (2500, 5020), (2510, 5000), (3125, 4016)]