8581240

素因数分解:

$2^3\times 5^1\times {\mathrm{214531}}^1$

素因数の和:214542

約数の個数: 16

約数和(自身を含む): 19307880

約数和(自身を除く): 10726640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 214531, 429062, 858124, 1072655, 1716248, 2145310, 4290620, 8581240]

約数ペア:

[(1, 8581240), (2, 4290620), (4, 2145310), (5, 1716248), (8, 1072655), (10, 858124), (20, 429062), (40, 214531)]