55464400

素因数分解:

$2^4\times 5^2\times {\mathrm{138661}}^1$

素因数の和:138679

約数の個数: 30

約数和(自身を含む): 133254182

約数和(自身を除く): 77789782

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 138661, 277322, 554644, 693305, 1109288, 1386610, 2218576, 2773220, 3466525, 5546440, 6933050, 11092880, 13866100, 27732200, 55464400]

約数ペア:

[(1, 55464400), (2, 27732200), (4, 13866100), (5, 11092880), (8, 6933050), (10, 5546440), (16, 3466525), (20, 2773220), (25, 2218576), (40, 1386610), (50, 1109288), (80, 693305), (100, 554644), (200, 277322), (400, 138661)]