40257872

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{19207}}^1$

素因数の和:19346

約数の個数: 20

約数和(自身を含む): 78599136

約数和(自身を除く): 38341264

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 19207, 38414, 76828, 153656, 307312, 2516117, 5032234, 10064468, 20128936, 40257872]

約数ペア:

[(1, 40257872), (2, 20128936), (4, 10064468), (8, 5032234), (16, 2516117), (131, 307312), (262, 153656), (524, 76828), (1048, 38414), (2096, 19207)]