55117640

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1289}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 124227000

約数和(自身を除く): 69109360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1289, 2138, 2578, 4276, 5156, 5345, 6445, 8552, 10312, 10690, 12890, 21380, 25780, 42760, 51560, 1377941, 2755882, 5511764, 6889705, 11023528, 13779410, 27558820, 55117640]

約数ペア:

[(1, 55117640), (2, 27558820), (4, 13779410), (5, 11023528), (8, 6889705), (10, 5511764), (20, 2755882), (40, 1377941), (1069, 51560), (1289, 42760), (2138, 25780), (2578, 21380), (4276, 12890), (5156, 10690), (5345, 10312), (6445, 8552)]