39779984

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{18979}}^1$

素因数の和:19118

約数の個数: 20

約数和(自身を含む): 77666160

約数和(自身を除く): 37886176

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 18979, 37958, 75916, 151832, 303664, 2486249, 4972498, 9944996, 19889992, 39779984]

約数ペア:

[(1, 39779984), (2, 19889992), (4, 9944996), (8, 4972498), (16, 2486249), (131, 303664), (262, 151832), (524, 75916), (1048, 37958), (2096, 18979)]