26808125

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 20

約数和(自身を含む): 34114080

約数和(自身を除く): 7305955

約数列:

[1, 5, 25, 59, 125, 295, 625, 727, 1475, 3635, 7375, 18175, 36875, 42893, 90875, 214465, 454375, 1072325, 5361625, 26808125]

約数ペア:

[(1, 26808125), (5, 5361625), (25, 1072325), (59, 454375), (125, 214465), (295, 90875), (625, 42893), (727, 36875), (1475, 18175), (3635, 7375)]