80173975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19919}}^1$

素因数の和:19959

約数の個数: 24

約数和(自身を含む): 118563840

約数和(自身を除く): 38389865

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 19919, 99595, 139433, 458137, 497975, 697165, 2290685, 3206959, 3485825, 11453425, 16034795, 80173975]

約数ペア:

[(1, 80173975), (5, 16034795), (7, 11453425), (23, 3485825), (25, 3206959), (35, 2290685), (115, 697165), (161, 497975), (175, 458137), (575, 139433), (805, 99595), (4025, 19919)]