12750800

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:396

約数の個数: 60

約数和(自身を含む): 30998016

約数和(自身を除く): 18247216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 251, 254, 400, 502, 508, 635, 1004, 1016, 1255, 1270, 2008, 2032, 2510, 2540, 3175, 4016, 5020, 5080, 6275, 6350, 10040, 10160, 12550, 12700, 20080, 25100, 25400, 31877, 50200, 50800, 63754, 100400, 127508, 159385, 255016, 318770, 510032, 637540, 796925, 1275080, 1593850, 2550160, 3187700, 6375400, 12750800]

約数ペア:

[(1, 12750800), (2, 6375400), (4, 3187700), (5, 2550160), (8, 1593850), (10, 1275080), (16, 796925), (20, 637540), (25, 510032), (40, 318770), (50, 255016), (80, 159385), (100, 127508), (127, 100400), (200, 63754), (251, 50800), (254, 50200), (400, 31877), (502, 25400), (508, 25100), (635, 20080), (1004, 12700), (1016, 12550), (1255, 10160), (1270, 10040), (2008, 6350), (2032, 6275), (2510, 5080), (2540, 5020), (3175, 4016)]