25313125

素因数分解:

$5^4\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 32024124

約数和(自身を除く): 6710999

約数列:

[1, 5, 25, 101, 125, 401, 505, 625, 2005, 2525, 10025, 12625, 40501, 50125, 63125, 202505, 250625, 1012525, 5062625, 25313125]

約数ペア:

[(1, 25313125), (5, 5062625), (25, 1012525), (101, 250625), (125, 202505), (401, 63125), (505, 50125), (625, 40501), (2005, 12625), (2525, 10025)]