42730064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{205433}}^1$

素因数の和:205454

約数の個数: 20

約数和(自身を含む): 89158356

約数和(自身を除く): 46428292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 205433, 410866, 821732, 1643464, 2670629, 3286928, 5341258, 10682516, 21365032, 42730064]

約数ペア:

[(1, 42730064), (2, 21365032), (4, 10682516), (8, 5341258), (13, 3286928), (16, 2670629), (26, 1643464), (52, 821732), (104, 410866), (208, 205433)]