4287280

素因数分解:

$2^4\times 5^1\times {\mathrm{53591}}^1$

素因数の和:53604

約数の個数: 20

約数和(自身を含む): 9968112

約数和(自身を除く): 5680832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 53591, 107182, 214364, 267955, 428728, 535910, 857456, 1071820, 2143640, 4287280]

約数ペア:

[(1, 4287280), (2, 2143640), (4, 1071820), (5, 857456), (8, 535910), (10, 428728), (16, 267955), (20, 214364), (40, 107182), (80, 53591)]