4485580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20409

約数の個数: 24

約数和(自身を含む): 10276560

約数和(自身を除く): 5790980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20389, 40778, 81556, 101945, 203890, 224279, 407780, 448558, 897116, 1121395, 2242790, 4485580]

約数ペア:

[(1, 4485580), (2, 2242790), (4, 1121395), (5, 897116), (10, 448558), (11, 407780), (20, 224279), (22, 203890), (44, 101945), (55, 81556), (110, 40778), (220, 20389)]