4121420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 8700048

約数和(自身を除く): 4578628

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 821, 1004, 1255, 1642, 2510, 3284, 4105, 5020, 8210, 16420, 206071, 412142, 824284, 1030355, 2060710, 4121420]

約数ペア:

[(1, 4121420), (2, 2060710), (4, 1030355), (5, 824284), (10, 412142), (20, 206071), (251, 16420), (502, 8210), (821, 5020), (1004, 4105), (1255, 3284), (1642, 2510)]