1640120576

素因数分解:

$2^8\times {\mathrm{6406721}}^1$

素因数の和:6406737

約数の個数: 18

約数和(自身を含む): 3273834942

約数和(自身を除く): 1633714366

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 6406721, 12813442, 25626884, 51253768, 102507536, 205015072, 410030144, 820060288, 1640120576]

約数ペア:

[(1, 1640120576), (2, 820060288), (4, 410030144), (8, 205015072), (16, 102507536), (32, 51253768), (64, 25626884), (128, 12813442), (256, 6406721)]