820423225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{7883}}^1$

素因数の和:8097

約数の個数: 24

約数和(自身を含む): 1067556672

約数和(自身を除く): 247133447

約数列:

[1, 5, 23, 25, 115, 181, 575, 905, 4163, 4525, 7883, 20815, 39415, 104075, 181309, 197075, 906545, 1426823, 4532725, 7134115, 32816929, 35670575, 164084645, 820423225]

約数ペア:

[(1, 820423225), (5, 164084645), (23, 35670575), (25, 32816929), (115, 7134115), (181, 4532725), (575, 1426823), (905, 906545), (4163, 197075), (4525, 181309), (7883, 104075), (20815, 39415)]