81550384

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{10133}}^1$

素因数の和:10644

約数の個数: 20

約数和(自身を含む): 158333616

約数和(自身を除く): 76783232

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 10133, 20266, 40532, 81064, 162128, 5096899, 10193798, 20387596, 40775192, 81550384]

約数ペア:

[(1, 81550384), (2, 40775192), (4, 20387596), (8, 10193798), (16, 5096899), (503, 162128), (1006, 81064), (2012, 40532), (4024, 20266), (8048, 10133)]