40278992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193649}}^1$

素因数の和:193670

約数の個数: 20

約数和(自身を含む): 84044100

約数和(自身を除く): 43765108

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 193649, 387298, 774596, 1549192, 2517437, 3098384, 5034874, 10069748, 20139496, 40278992]

約数ペア:

[(1, 40278992), (2, 20139496), (4, 10069748), (8, 5034874), (13, 3098384), (16, 2517437), (26, 1549192), (52, 774596), (104, 387298), (208, 193649)]