28101725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 36560160

約数和(自身を除く): 8458435

約数列:

[1, 5, 25, 29, 83, 145, 415, 467, 725, 2075, 2335, 2407, 11675, 12035, 13543, 38761, 60175, 67715, 193805, 338575, 969025, 1124069, 5620345, 28101725]

約数ペア:

[(1, 28101725), (5, 5620345), (25, 1124069), (29, 969025), (83, 338575), (145, 193805), (415, 67715), (467, 60175), (725, 38761), (2075, 13543), (2335, 12035), (2407, 11675)]