27890840

素因数分解:

$2^3\times 5^1\times {\mathrm{697271}}^1$

素因数の和:697282

約数の個数: 16

約数和(自身を含む): 62754480

約数和(自身を除く): 34863640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 697271, 1394542, 2789084, 3486355, 5578168, 6972710, 13945420, 27890840]

約数ペア:

[(1, 27890840), (2, 13945420), (4, 6972710), (5, 5578168), (8, 3486355), (10, 2789084), (20, 1394542), (40, 697271)]