80698180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41597}}^1$

素因数の和:41703

約数の個数: 24

約数和(自身を含む): 171217368

約数和(自身を除く): 90519188

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41597, 83194, 166388, 207985, 415970, 831940, 4034909, 8069818, 16139636, 20174545, 40349090, 80698180]

約数ペア:

[(1, 80698180), (2, 40349090), (4, 20174545), (5, 16139636), (10, 8069818), (20, 4034909), (97, 831940), (194, 415970), (388, 207985), (485, 166388), (970, 83194), (1940, 41597)]