201727280

素因数分解:

$2^4\times 5^1\times {\mathrm{2521591}}^1$

素因数の和:2521604

約数の個数: 20

約数和(自身を含む): 469016112

約数和(自身を除く): 267288832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521591, 5043182, 10086364, 12607955, 20172728, 25215910, 40345456, 50431820, 100863640, 201727280]

約数ペア:

[(1, 201727280), (2, 100863640), (4, 50431820), (5, 40345456), (8, 25215910), (10, 20172728), (16, 12607955), (20, 10086364), (40, 5043182), (80, 2521591)]