39930025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 53568000

約数和(自身を除く): 13637975

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1999, 3995, 9995, 19975, 33983, 49975, 93953, 169915, 469765, 849575, 1597201, 2348825, 7986005, 39930025]

約数ペア:

[(1, 39930025), (5, 7986005), (17, 2348825), (25, 1597201), (47, 849575), (85, 469765), (235, 169915), (425, 93953), (799, 49975), (1175, 33983), (1999, 19975), (3995, 9995)]