13777520

素因数分解:

$2^4\times 5^1\times {\mathrm{172219}}^1$

素因数の和:172232

約数の個数: 20

約数和(自身を含む): 32032920

約数和(自身を除く): 18255400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172219, 344438, 688876, 861095, 1377752, 1722190, 2755504, 3444380, 6888760, 13777520]

約数ペア:

[(1, 13777520), (2, 6888760), (4, 3444380), (5, 2755504), (8, 1722190), (10, 1377752), (16, 861095), (20, 688876), (40, 344438), (80, 172219)]