12927280

素因数分解:

$2^4\times 5^1\times {\mathrm{161591}}^1$

素因数の和:161604

約数の個数: 20

約数和(自身を含む): 30056112

約数和(自身を除く): 17128832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161591, 323182, 646364, 807955, 1292728, 1615910, 2585456, 3231820, 6463640, 12927280]

約数ペア:

[(1, 12927280), (2, 6463640), (4, 3231820), (5, 2585456), (8, 1615910), (10, 1292728), (16, 807955), (20, 646364), (40, 323182), (80, 161591)]