25358125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3154

約数の個数: 20

約数和(自身を含む): 34135948

約数和(自身を除く): 8777823

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3121, 8125, 15605, 40573, 78025, 202865, 390125, 1014325, 1950625, 5071625, 25358125]

約数ペア:

[(1, 25358125), (5, 5071625), (13, 1950625), (25, 1014325), (65, 390125), (125, 202865), (325, 78025), (625, 40573), (1625, 15605), (3121, 8125)]