40393328

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{11321}}^1$

素因数の和:11552

約数の個数: 20

約数和(自身を含む): 78619968

約数和(自身を除く): 38226640

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 11321, 22642, 45284, 90568, 181136, 2524583, 5049166, 10098332, 20196664, 40393328]

約数ペア:

[(1, 40393328), (2, 20196664), (4, 10098332), (8, 5049166), (16, 2524583), (223, 181136), (446, 90568), (892, 45284), (1784, 22642), (3568, 11321)]