89647280

素因数分解:

$2^4\times 5^1\times {\mathrm{1120591}}^1$

素因数の和:1120604

約数の個数: 20

約数和(自身を含む): 208430112

約数和(自身を除く): 118782832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1120591, 2241182, 4482364, 5602955, 8964728, 11205910, 17929456, 22411820, 44823640, 89647280]

約数ペア:

[(1, 89647280), (2, 44823640), (4, 22411820), (5, 17929456), (8, 11205910), (10, 8964728), (16, 5602955), (20, 4482364), (40, 2241182), (80, 1120591)]