13238125

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 16869600

約数和(自身を除く): 3631475

約数列:

[1, 5, 25, 59, 125, 295, 359, 625, 1475, 1795, 7375, 8975, 21181, 36875, 44875, 105905, 224375, 529525, 2647625, 13238125]

約数ペア:

[(1, 13238125), (5, 2647625), (25, 529525), (59, 224375), (125, 105905), (295, 44875), (359, 36875), (625, 21181), (1475, 8975), (1795, 7375)]