25060625

素因数分解:

$5^4\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:518

約数の個数: 20

約数和(自身を含む): 31705476

約数和(自身を除く): 6644851

約数列:

[1, 5, 25, 101, 125, 397, 505, 625, 1985, 2525, 9925, 12625, 40097, 49625, 63125, 200485, 248125, 1002425, 5012125, 25060625]

約数ペア:

[(1, 25060625), (5, 5012125), (25, 1002425), (101, 248125), (125, 200485), (397, 63125), (505, 49625), (625, 40097), (1985, 12625), (2525, 9925)]