38931820

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2371}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 81890928

約数和(自身を除く): 42959108

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 2371, 3284, 4105, 4742, 8210, 9484, 11855, 16420, 23710, 47420, 1946591, 3893182, 7786364, 9732955, 19465910, 38931820]

約数ペア:

[(1, 38931820), (2, 19465910), (4, 9732955), (5, 7786364), (10, 3893182), (20, 1946591), (821, 47420), (1642, 23710), (2371, 16420), (3284, 11855), (4105, 9484), (4742, 8210)]