640112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{3637}}^1$

素因数の和:3656

約数の個数: 20

約数和(自身を含む): 1353336

約数和(自身を除く): 713224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 3637, 7274, 14548, 29096, 40007, 58192, 80014, 160028, 320056, 640112]

約数ペア:

[(1, 640112), (2, 320056), (4, 160028), (8, 80014), (11, 58192), (16, 40007), (22, 29096), (44, 14548), (88, 7274), (176, 3637)]