4071220

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{811}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 8594208

約数和(自身を除く): 4522988

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 811, 1004, 1255, 1622, 2510, 3244, 4055, 5020, 8110, 16220, 203561, 407122, 814244, 1017805, 2035610, 4071220]

約数ペア:

[(1, 4071220), (2, 2035610), (4, 1017805), (5, 814244), (10, 407122), (20, 203561), (251, 16220), (502, 8110), (811, 5020), (1004, 4055), (1255, 3244), (1622, 2510)]