40640116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13009}}^1$

素因数の和:13095

約数の個数: 24

約数和(自身を含む): 78684480

約数和(自身を除く): 38044364

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 13009, 26018, 52036, 143099, 286198, 572396, 923639, 1847278, 3694556, 10160029, 20320058, 40640116]

約数ペア:

[(1, 40640116), (2, 20320058), (4, 10160029), (11, 3694556), (22, 1847278), (44, 923639), (71, 572396), (142, 286198), (284, 143099), (781, 52036), (1562, 26018), (3124, 13009)]