80781095

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3739}}^1$

素因数の和:3922

約数の個数: 16

約数和(自身を含む): 100980000

約数和(自身を除く): 20198905

約数列:

[1, 5, 29, 145, 149, 745, 3739, 4321, 18695, 21605, 108431, 542155, 557111, 2785555, 16156219, 80781095]

約数ペア:

[(1, 80781095), (5, 16156219), (29, 2785555), (145, 557111), (149, 542155), (745, 108431), (3739, 21605), (4321, 18695)]