54749375

素因数分解:

$5^4\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:620

約数の個数: 20

約数和(自身を含む): 68884200

約数和(自身を除く): 14134825

約数列:

[1, 5, 25, 125, 251, 349, 625, 1255, 1745, 6275, 8725, 31375, 43625, 87599, 156875, 218125, 437995, 2189975, 10949875, 54749375]

約数ペア:

[(1, 54749375), (5, 10949875), (25, 2189975), (125, 437995), (251, 218125), (349, 156875), (625, 87599), (1255, 43625), (1745, 31375), (6275, 8725)]