80668445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 114428160

約数和(自身を除く): 33759715

約数列:

[1, 5, 11, 13, 55, 65, 143, 257, 439, 715, 1285, 2195, 2827, 3341, 4829, 5707, 14135, 16705, 24145, 28535, 36751, 62777, 112823, 183755, 313885, 564115, 1241053, 1466699, 6205265, 7333495, 16133689, 80668445]

約数ペア:

[(1, 80668445), (5, 16133689), (11, 7333495), (13, 6205265), (55, 1466699), (65, 1241053), (143, 564115), (257, 313885), (439, 183755), (715, 112823), (1285, 62777), (2195, 36751), (2827, 28535), (3341, 24145), (4829, 16705), (5707, 14135)]