80971550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{147221}}^1$

素因数の和:147244

約数の個数: 24

約数和(自身を含む): 164299752

約数和(自身を除く): 83328202

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 147221, 294442, 736105, 1472210, 1619431, 3238862, 3680525, 7361050, 8097155, 16194310, 40485775, 80971550]

約数ペア:

[(1, 80971550), (2, 40485775), (5, 16194310), (10, 8097155), (11, 7361050), (22, 3680525), (25, 3238862), (50, 1619431), (55, 1472210), (110, 736105), (275, 294442), (550, 147221)]