40258384

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{2539}}^1$

素因数の和:3538

約数の個数: 20

約数和(自身を含む): 78110080

約数和(自身を除く): 37851696

約数列:

[1, 2, 4, 8, 16, 991, 1982, 2539, 3964, 5078, 7928, 10156, 15856, 20312, 40624, 2516149, 5032298, 10064596, 20129192, 40258384]

約数ペア:

[(1, 40258384), (2, 20129192), (4, 10064596), (8, 5032298), (16, 2516149), (991, 40624), (1982, 20312), (2539, 15856), (3964, 10156), (5078, 7928)]