81502325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 105945600

約数和(自身を除く): 24443275

約数列:

[1, 5, 25, 29, 79, 145, 395, 725, 1423, 1975, 2291, 7115, 11455, 35575, 41267, 57275, 112417, 206335, 562085, 1031675, 2810425, 3260093, 16300465, 81502325]

約数ペア:

[(1, 81502325), (5, 16300465), (25, 3260093), (29, 2810425), (79, 1031675), (145, 562085), (395, 206335), (725, 112417), (1423, 57275), (1975, 41267), (2291, 35575), (7115, 11455)]