8137420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 17167248

約数和(自身を除く): 9029828

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 1621, 2510, 3242, 5020, 6484, 8105, 16210, 32420, 406871, 813742, 1627484, 2034355, 4068710, 8137420]

約数ペア:

[(1, 8137420), (2, 4068710), (4, 2034355), (5, 1627484), (10, 813742), (20, 406871), (251, 32420), (502, 16210), (1004, 8105), (1255, 6484), (1621, 5020), (2510, 3242)]