1023280

素因数分解:

$2^4\times 5^1\times {\mathrm{12791}}^1$

素因数の和:12804

約数の個数: 20

約数和(自身を含む): 2379312

約数和(自身を除く): 1356032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12791, 25582, 51164, 63955, 102328, 127910, 204656, 255820, 511640, 1023280]

約数ペア:

[(1, 1023280), (2, 511640), (4, 255820), (5, 204656), (8, 127910), (10, 102328), (16, 63955), (20, 51164), (40, 25582), (80, 12791)]