166420225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3877}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 220720248

約数和(自身を除く): 54300023

約数列:

[1, 5, 17, 25, 85, 101, 425, 505, 1717, 2525, 3877, 8585, 19385, 42925, 65909, 96925, 329545, 391577, 1647725, 1957885, 6656809, 9789425, 33284045, 166420225]

約数ペア:

[(1, 166420225), (5, 33284045), (17, 9789425), (25, 6656809), (85, 1957885), (101, 1647725), (425, 391577), (505, 329545), (1717, 96925), (2525, 65909), (3877, 42925), (8585, 19385)]