87780016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{133811}}^1$

素因数の和:133860

約数の個数: 20

約数和(自身を含む): 174223224

約数和(自身を除く): 86443208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 133811, 267622, 535244, 1070488, 2140976, 5486251, 10972502, 21945004, 43890008, 87780016]

約数ペア:

[(1, 87780016), (2, 43890008), (4, 21945004), (8, 10972502), (16, 5486251), (41, 2140976), (82, 1070488), (164, 535244), (328, 267622), (656, 133811)]