27404375

素因数分解:

$5^4\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 34582680

約数和(自身を除く): 7178305

約数列:

[1, 5, 25, 125, 163, 269, 625, 815, 1345, 4075, 6725, 20375, 33625, 43847, 101875, 168125, 219235, 1096175, 5480875, 27404375]

約数ペア:

[(1, 27404375), (5, 5480875), (25, 1096175), (125, 219235), (163, 168125), (269, 101875), (625, 43847), (815, 33625), (1345, 20375), (4075, 6725)]