27843220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3989}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 58653000

約数和(自身を除く): 30809780

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 3989, 6980, 7978, 15956, 19945, 39890, 79780, 1392161, 2784322, 5568644, 6960805, 13921610, 27843220]

約数ペア:

[(1, 27843220), (2, 13921610), (4, 6960805), (5, 5568644), (10, 2784322), (20, 1392161), (349, 79780), (698, 39890), (1396, 19945), (1745, 15956), (3490, 7978), (3989, 6980)]