56871620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218737}}^1$

素因数の和:218759

約数の個数: 24

約数和(自身を含む): 128617944

約数和(自身を除く): 71746324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218737, 437474, 874948, 1093685, 2187370, 2843581, 4374740, 5687162, 11374324, 14217905, 28435810, 56871620]

約数ペア:

[(1, 56871620), (2, 28435810), (4, 14217905), (5, 11374324), (10, 5687162), (13, 4374740), (20, 2843581), (26, 2187370), (52, 1093685), (65, 874948), (130, 437474), (260, 218737)]