112812800

素因数分解:

$2^8\times 5^2\times {\mathrm{17627}}^1$

素因数の和:17653

約数の個数: 54

約数和(自身を含む): 279245148

約数和(自身を除く): 166432348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 17627, 35254, 70508, 88135, 141016, 176270, 282032, 352540, 440675, 564064, 705080, 881350, 1128128, 1410160, 1762700, 2256256, 2820320, 3525400, 4512512, 5640640, 7050800, 11281280, 14101600, 22562560, 28203200, 56406400, 112812800]

約数ペア:

[(1, 112812800), (2, 56406400), (4, 28203200), (5, 22562560), (8, 14101600), (10, 11281280), (16, 7050800), (20, 5640640), (25, 4512512), (32, 3525400), (40, 2820320), (50, 2256256), (64, 1762700), (80, 1410160), (100, 1128128), (128, 881350), (160, 705080), (200, 564064), (256, 440675), (320, 352540), (400, 282032), (640, 176270), (800, 141016), (1280, 88135), (1600, 70508), (3200, 35254), (6400, 17627)]