54405490

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{27617}}^1$

素因数の和:27821

約数の個数: 16

約数和(自身を含む): 98430552

約数和(自身を除く): 44025062

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 27617, 55234, 138085, 276170, 5440549, 10881098, 27202745, 54405490]

約数ペア:

[(1, 54405490), (2, 27202745), (5, 10881098), (10, 5440549), (197, 276170), (394, 138085), (985, 55234), (1970, 27617)]