40320752

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19237}}^1$

素因数の和:19376

約数の個数: 20

約数和(自身を含む): 78721896

約数和(自身を除く): 38401144

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19237, 38474, 76948, 153896, 307792, 2520047, 5040094, 10080188, 20160376, 40320752]

約数ペア:

[(1, 40320752), (2, 20160376), (4, 10080188), (8, 5040094), (16, 2520047), (131, 307792), (262, 153896), (524, 76948), (1048, 38474), (2096, 19237)]