202920475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{5147}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 268107840

約数和(自身を除く): 65187365

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 2075, 5147, 7885, 25735, 39425, 97793, 128675, 427201, 488965, 2136005, 2444825, 8116819, 10680025, 40584095, 202920475]

約数ペア:

[(1, 202920475), (5, 40584095), (19, 10680025), (25, 8116819), (83, 2444825), (95, 2136005), (415, 488965), (475, 427201), (1577, 128675), (2075, 97793), (5147, 39425), (7885, 25735)]