81072325

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 103118400

約数和(自身を除く): 22046075

約数列:

[1, 5, 25, 83, 89, 415, 439, 445, 2075, 2195, 2225, 7387, 10975, 36437, 36935, 39071, 182185, 184675, 195355, 910925, 976775, 3242893, 16214465, 81072325]

約数ペア:

[(1, 81072325), (5, 16214465), (25, 3242893), (83, 976775), (89, 910925), (415, 195355), (439, 184675), (445, 182185), (2075, 39071), (2195, 36935), (2225, 36437), (7387, 10975)]