25401968

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{8059}}^1$

素因数の和:8264

約数の個数: 20

約数和(自身を含む): 49472280

約数和(自身を除く): 24070312

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 8059, 16118, 32236, 64472, 128944, 1587623, 3175246, 6350492, 12700984, 25401968]

約数ペア:

[(1, 25401968), (2, 12700984), (4, 6350492), (8, 3175246), (16, 1587623), (197, 128944), (394, 64472), (788, 32236), (1576, 16118), (3152, 8059)]