438812240

素因数分解:

$2^4\times 5^1\times {\mathrm{5485153}}^1$

素因数の和:5485166

約数の個数: 20

約数和(自身を含む): 1020238644

約数和(自身を除く): 581426404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5485153, 10970306, 21940612, 27425765, 43881224, 54851530, 87762448, 109703060, 219406120, 438812240]

約数ペア:

[(1, 438812240), (2, 219406120), (4, 109703060), (5, 87762448), (8, 54851530), (10, 43881224), (16, 27425765), (20, 21940612), (40, 10970306), (80, 5485153)]