54538540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389561}}^1$

素因数の和:389577

約数の個数: 24

約数和(自身を含む): 130892832

約数和(自身を除く): 76354292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389561, 779122, 1558244, 1947805, 2726927, 3895610, 5453854, 7791220, 10907708, 13634635, 27269270, 54538540]

約数ペア:

[(1, 54538540), (2, 27269270), (4, 13634635), (5, 10907708), (7, 7791220), (10, 5453854), (14, 3895610), (20, 2726927), (28, 1947805), (35, 1558244), (70, 779122), (140, 389561)]