27439375

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1084

約数の個数: 20

約数和(自身を含む): 35120008

約数和(自身を除く): 7680633

約数列:

[1, 5, 25, 43, 125, 215, 625, 1021, 1075, 5105, 5375, 25525, 26875, 43903, 127625, 219515, 638125, 1097575, 5487875, 27439375]

約数ペア:

[(1, 27439375), (5, 5487875), (25, 1097575), (43, 638125), (125, 219515), (215, 127625), (625, 43903), (1021, 26875), (1075, 25525), (5105, 5375)]