25538125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1458

約数の個数: 20

約数和(自身を含む): 33036300

約数和(自身を除く): 7498175

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 1409, 3625, 7045, 18125, 35225, 40861, 176125, 204305, 880625, 1021525, 5107625, 25538125]

約数ペア:

[(1, 25538125), (5, 5107625), (25, 1021525), (29, 880625), (125, 204305), (145, 176125), (625, 40861), (725, 35225), (1409, 18125), (3625, 7045)]