81880345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{15149}}^1$

素因数の和:15224

約数の個数: 16

約数和(自身を含む): 104716800

約数和(自身を除く): 22836455

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 15149, 75745, 348427, 712003, 1742135, 3560015, 16376069, 81880345]

約数ペア:

[(1, 81880345), (5, 16376069), (23, 3560015), (47, 1742135), (115, 712003), (235, 348427), (1081, 75745), (5405, 15149)]