81522005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4349}}^1$

素因数の和:4540

約数の個数: 16

約数和(自身を含む): 102729600

約数和(自身を除く): 21207595

約数列:

[1, 5, 23, 115, 163, 815, 3749, 4349, 18745, 21745, 100027, 500135, 708887, 3544435, 16304401, 81522005]

約数ペア:

[(1, 81522005), (5, 16304401), (23, 3544435), (115, 708887), (163, 500135), (815, 100027), (3749, 21745), (4349, 18745)]