54937180

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2131}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 115511760

約数和(自身を除く): 60574580

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2131, 2578, 4262, 5156, 6445, 8524, 10655, 12890, 21310, 25780, 42620, 2746859, 5493718, 10987436, 13734295, 27468590, 54937180]

約数ペア:

[(1, 54937180), (2, 27468590), (4, 13734295), (5, 10987436), (10, 5493718), (20, 2746859), (1289, 42620), (2131, 25780), (2578, 21310), (4262, 12890), (5156, 10655), (6445, 8524)]