1286080

素因数分解:

$2^6\times 5^1\times {\mathrm{4019}}^1$

素因数の和:4036

約数の個数: 28

約数和(自身を含む): 3063240

約数和(自身を除く): 1777160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4019, 8038, 16076, 20095, 32152, 40190, 64304, 80380, 128608, 160760, 257216, 321520, 643040, 1286080]

約数ペア:

[(1, 1286080), (2, 643040), (4, 321520), (5, 257216), (8, 160760), (10, 128608), (16, 80380), (20, 64304), (32, 40190), (40, 32152), (64, 20095), (80, 16076), (160, 8038), (320, 4019)]