840507872

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{640631}}^1$

素因数の和:640682

約数の個数: 24

約数和(自身を含む): 1695112272

約数和(自身を除く): 854604400

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 640631, 1281262, 2562524, 5125048, 10250096, 20500192, 26265871, 52531742, 105063484, 210126968, 420253936, 840507872]

約数ペア:

[(1, 840507872), (2, 420253936), (4, 210126968), (8, 105063484), (16, 52531742), (32, 26265871), (41, 20500192), (82, 10250096), (164, 5125048), (328, 2562524), (656, 1281262), (1312, 640631)]