56479340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21557}}^1$

素因数の和:21697

約数の個数: 24

約数和(自身を含む): 119517552

約数和(自身を除く): 63038212

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21557, 43114, 86228, 107785, 215570, 431140, 2823967, 5647934, 11295868, 14119835, 28239670, 56479340]

約数ペア:

[(1, 56479340), (2, 28239670), (4, 14119835), (5, 11295868), (10, 5647934), (20, 2823967), (131, 431140), (262, 215570), (524, 107785), (655, 86228), (1310, 43114), (2620, 21557)]