1280451260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5820233}}^1$

素因数の和:5820253

約数の個数: 24

約数和(自身を含む): 2933397936

約数和(自身を除く): 1652946676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5820233, 11640466, 23280932, 29101165, 58202330, 64022563, 116404660, 128045126, 256090252, 320112815, 640225630, 1280451260]

約数ペア:

[(1, 1280451260), (2, 640225630), (4, 320112815), (5, 256090252), (10, 128045126), (11, 116404660), (20, 64022563), (22, 58202330), (44, 29101165), (55, 23280932), (110, 11640466), (220, 5820233)]