2640128

素因数分解:

$2^8\times {\mathrm{10313}}^1$

素因数の和:10329

約数の個数: 18

約数和(自身を含む): 5270454

約数和(自身を除く): 2630326

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 10313, 20626, 41252, 82504, 165008, 330016, 660032, 1320064, 2640128]

約数ペア:

[(1, 2640128), (2, 1320064), (4, 660032), (8, 330016), (16, 165008), (32, 82504), (64, 41252), (128, 20626), (256, 10313)]