12345080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28057}}^1$

素因数の和:28079

約数の個数: 32

約数和(自身を含む): 30302640

約数和(自身を除く): 17957560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28057, 56114, 112228, 140285, 224456, 280570, 308627, 561140, 617254, 1122280, 1234508, 1543135, 2469016, 3086270, 6172540, 12345080]

約数ペア:

[(1, 12345080), (2, 6172540), (4, 3086270), (5, 2469016), (8, 1543135), (10, 1234508), (11, 1122280), (20, 617254), (22, 561140), (40, 308627), (44, 280570), (55, 224456), (88, 140285), (110, 112228), (220, 56114), (440, 28057)]