25400980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115459}}^1$

素因数の和:115479

約数の個数: 24

約数和(自身を含む): 58191840

約数和(自身を除く): 32790860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 115459, 230918, 461836, 577295, 1154590, 1270049, 2309180, 2540098, 5080196, 6350245, 12700490, 25400980]

約数ペア:

[(1, 25400980), (2, 12700490), (4, 6350245), (5, 5080196), (10, 2540098), (11, 2309180), (20, 1270049), (22, 1154590), (44, 577295), (55, 461836), (110, 230918), (220, 115459)]