18831875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1088

約数の個数: 20

約数和(自身を含む): 24367200

約数和(自身を除く): 5535325

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 1039, 3625, 5195, 18125, 25975, 30131, 129875, 150655, 649375, 753275, 3766375, 18831875]

約数ペア:

[(1, 18831875), (5, 3766375), (25, 753275), (29, 649375), (125, 150655), (145, 129875), (625, 30131), (725, 25975), (1039, 18125), (3625, 5195)]