278510080

素因数分解:

$2^9\times 5^1\times {\mathrm{108793}}^1$

素因数の和:108816

約数の個数: 40

約数和(自身を含む): 667777572

約数和(自身を除く): 389267492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 108793, 217586, 435172, 543965, 870344, 1087930, 1740688, 2175860, 3481376, 4351720, 6962752, 8703440, 13925504, 17406880, 27851008, 34813760, 55702016, 69627520, 139255040, 278510080]

約数ペア:

[(1, 278510080), (2, 139255040), (4, 69627520), (5, 55702016), (8, 34813760), (10, 27851008), (16, 17406880), (20, 13925504), (32, 8703440), (40, 6962752), (64, 4351720), (80, 3481376), (128, 2175860), (160, 1740688), (256, 1087930), (320, 870344), (512, 543965), (640, 435172), (1280, 217586), (2560, 108793)]