80939525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 106972320

約数和(自身を除く): 26032795

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 2053, 2075, 7885, 10265, 39007, 39425, 51325, 170399, 195035, 851995, 975175, 3237581, 4259975, 16187905, 80939525]

約数ペア:

[(1, 80939525), (5, 16187905), (19, 4259975), (25, 3237581), (83, 975175), (95, 851995), (415, 195035), (475, 170399), (1577, 51325), (2053, 39425), (2075, 39007), (7885, 10265)]