25260625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3142

約数の個数: 20

約数和(自身を含む): 34004740

約数和(自身を除く): 8744115

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3109, 8125, 15545, 40417, 77725, 202085, 388625, 1010425, 1943125, 5052125, 25260625]

約数ペア:

[(1, 25260625), (5, 5052125), (13, 1943125), (25, 1010425), (65, 388625), (125, 202085), (325, 77725), (625, 40417), (1625, 15545), (3109, 8125)]