2051208175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{5147}}^1$

素因数の和:6015

約数の個数: 24

約数和(自身を含む): 2681078400

約数和(自身を除く): 629870225

約数列:

[1, 5, 19, 25, 95, 475, 839, 4195, 5147, 15941, 20975, 25735, 79705, 97793, 128675, 398525, 488965, 2444825, 4318333, 21591665, 82048327, 107958325, 410241635, 2051208175]

約数ペア:

[(1, 2051208175), (5, 410241635), (19, 107958325), (25, 82048327), (95, 21591665), (475, 4318333), (839, 2444825), (4195, 488965), (5147, 398525), (15941, 128675), (20975, 97793), (25735, 79705)]