26449375

素因数分解:

$5^4\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 20

約数和(自身を含む): 33458040

約数和(自身を除く): 7008665

約数列:

[1, 5, 25, 101, 125, 419, 505, 625, 2095, 2525, 10475, 12625, 42319, 52375, 63125, 211595, 261875, 1057975, 5289875, 26449375]

約数ペア:

[(1, 26449375), (5, 5289875), (25, 1057975), (101, 261875), (125, 211595), (419, 63125), (505, 52375), (625, 42319), (2095, 12625), (2525, 10475)]