40808144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{196193}}^1$

素因数の和:196214

約数の個数: 20

約数和(自身を含む): 85148196

約数和(自身を除く): 44340052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 196193, 392386, 784772, 1569544, 2550509, 3139088, 5101018, 10202036, 20404072, 40808144]

約数ペア:

[(1, 40808144), (2, 20404072), (4, 10202036), (8, 5101018), (13, 3139088), (16, 2550509), (26, 1569544), (52, 784772), (104, 392386), (208, 196193)]