81606725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3701

約数の個数: 24

約数和(自身を含む): 108088320

約数和(自身を除く): 26481595

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 3631, 4495, 18155, 22475, 90775, 105299, 112561, 526495, 562805, 2632475, 2814025, 3264269, 16321345, 81606725]

約数ペア:

[(1, 81606725), (5, 16321345), (25, 3264269), (29, 2814025), (31, 2632475), (145, 562805), (155, 526495), (725, 112561), (775, 105299), (899, 90775), (3631, 22475), (4495, 18155)]