80777765

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1852

約数の個数: 16

約数和(自身を含む): 99066240

約数和(自身を除く): 18288475

約数列:

[1, 5, 71, 139, 355, 695, 1637, 8185, 9869, 49345, 116227, 227543, 581135, 1137715, 16155553, 80777765]

約数ペア:

[(1, 80777765), (5, 16155553), (71, 1137715), (139, 581135), (355, 227543), (695, 116227), (1637, 49345), (8185, 9869)]