40171664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{193133}}^1$

素因数の和:193154

約数の個数: 20

約数和(自身を含む): 83820156

約数和(自身を除く): 43648492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 193133, 386266, 772532, 1545064, 2510729, 3090128, 5021458, 10042916, 20085832, 40171664]

約数ペア:

[(1, 40171664), (2, 20085832), (4, 10042916), (8, 5021458), (13, 3090128), (16, 2510729), (26, 1545064), (52, 772532), (104, 386266), (208, 193133)]