40886672

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19507}}^1$

素因数の和:19646

約数の個数: 20

約数和(自身を含む): 79826736

約数和(自身を除く): 38940064

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19507, 39014, 78028, 156056, 312112, 2555417, 5110834, 10221668, 20443336, 40886672]

約数ペア:

[(1, 40886672), (2, 20443336), (4, 10221668), (8, 5110834), (16, 2555417), (131, 312112), (262, 156056), (524, 78028), (1048, 39014), (2096, 19507)]